{"title":"Hastings Mfg","description":null,"products":[{"product_id":"hastings-mfg-piston-ring-1450-moly-std-size-865-02000","title":"Hastings Mfg Moly STD Size Piston Ring - Harley \u0026 Indian V-Twin","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Hastings Mfg piston ring is a standard-size replacement component for V-twin motorcycle engines. Featuring a three-piece oil ring design, it's crafted to OEM-quality standards, ensuring reliable engine performance.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-coated for enhanced durability and reduced friction\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA to exacting standards\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eStandard size for direct replacement in stock bores\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eManufactured in the USA, this moly-coated piston ring is an excellent choice for maintaining or rebuilding your Harley-Davidson or Indian Motorcycle engine. It's designed to provide proper sealing and reduce friction, contributing to the overall efficiency and longevity of your powerplant.\u003c\/p\u003e\u003ch3\u003eEngineered for Lasting Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly-coated for reduced friction and extended wear life\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for effective oil control\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA for quality assurance\u003c\/li\u003e\n\u003cli\u003eStandard size for stock V-twin engine applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReliable Components for Your Rebuild\u003c\/h3\u003e\u003cp\u003eWhen performing an engine rebuild, selecting high-quality piston rings is crucial for optimal compression and oil control. This Hastings Mfg ring delivers the precision and durability needed for a successful engine refresh. Confirm your specific engine's requirements to ensure perfect fitment and performance.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M4942\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538001287\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5 in L × 5 in W × 1 in H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat size piston ring is this?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is a STD (standard) size piston ring, designed for V-twin engines with stock bore dimensions. Always verify your engine's ring groove width before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete piston ring set?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single three-piece oil ring. A complete piston ring set typically includes both compression rings and oil rings, which are usually purchased separately or as a full kit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this work in a Harley-Davidson or Indian Motorcycle engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, Hastings Mfg produces OEM-equivalent piston rings suitable for a wide range of V-twin engines, including those found in Harley-Davidson and Indian Motorcycle models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly STD Size Piston Ring - Harley \u0026 Indian V-Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1450-moly-std-size-865-02000\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What size piston ring is this?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is a STD (standard) size piston ring, designed for V-twin engines with stock bore dimensions. Always verify your engine's ring groove width before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete piston ring set?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single three-piece oil ring. A complete piston ring set typically includes both compression rings and oil rings, which are usually purchased separately or as a full kit.\"}},{\"@type\":\"Question\",\"name\":\"Will this work in a Harley-Davidson or Indian Motorcycle engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, Hastings Mfg produces OEM-equivalent piston rings suitable for a wide range of V-twin engines, including those found in Harley-Davidson and Indian Motorcycle models.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035809865839,"sku":"865-02000","price":105.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_e8f18eb4-4d2e-4eb1-aa7c-4eb4473006f7.png?v=1779563762"},{"product_id":"hastings-mfg-piston-ring-1450-moly-005-oversize-865-02001","title":"Hastings Mfg 1450 Moly .005\" Oversize Piston Ring - Harley Touring \u0026 Softail","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Hastings Mfg piston ring is specifically designed for V-twin motorcycle engine rebuilds requiring a .005\" oversize. Crafted from 1450 moly material, this three-piece oil ring ensures optimal sealing and reduced friction.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003e1450 moly material for enhanced durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design ensures effective oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA with strict quality standards\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for .005\" overbored V-twin cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eManufactured in the USA and distributed for Harley-Davidson and Indian Motorcycle riders, this ring is a critical component for engines that have been bored out for rebuilding. Its precise sizing and durable construction contribute to restoring your engine's compression and performance.\u003c\/p\u003e\u003ch3\u003eEngineered for Rebuilt V-Twin Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1450 moly material for strength and wear resistance\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli\u003eMade in the USA for quality you can trust\u003c\/li\u003e\n\u003cli\u003e.005\" oversize for specific bored-out cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Strong Rebuild\u003c\/h3\u003e\u003cp\u003eWhen you're pushing power on the street or track, a proper engine rebuild starts with high-quality components. This .005\" oversize piston ring from Hastings Mfg provides the precision fitment needed when cylinders have been honed to accommodate a larger bore. Always confirm your engine's exact bore size and oversize requirements with your machine shop before ordering to ensure a perfect match for your Harley Touring or Softail.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M4942005\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538001324\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRing Type:\u003c\/strong\u003e Three-piece oil ring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 1450 moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .005\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat does .005\" oversize mean?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis means the piston ring is .005 inches larger in diameter than a standard ring. It's used when cylinder bores are honed to .005\" oversize during an engine rebuild.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete ring set or a single ring?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is a single three-piece oil ring. A full piston ring kit typically includes both compression rings and oil rings. Verify your rebuild kit's requirements before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this fit my Harley Touring or Softail model?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for V-twin engines, including Harley Touring and Softail models, that require a .005\" oversize. Always verify your engine's specific bore size and rebuild specifications before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg 1450 Moly .005\\\" Oversize Piston Ring - Harley Touring \u0026 Softail\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1450-moly-005-oversize-865-02001\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does .005\\\" oversize mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This means the piston ring is .005 inches larger in diameter than a standard ring. It's used when cylinder bores are honed to .005\\\" oversize during an engine rebuild.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete ring set or a single ring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is a single three-piece oil ring. A full piston ring kit typically includes both compression rings and oil rings. Verify your rebuild kit's requirements before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Will this fit my Harley Touring or Softail model?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for V-twin engines, including Harley Touring and Softail models, that require a .005\\\" oversize. Always verify your engine's specific bore size and rebuild specifications before purchase.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035809898607,"sku":"865-02001","price":105.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_e0ce066a-cabc-43c8-a920-8d3a61deba3a.png?v=1779562974"},{"product_id":"hastings-mfg-piston-ring-1450-moly-010-oversize-865-02002","title":"Hastings Mfg 1450 Moly .010\" Oversize Piston Ring - Harley \u0026 Indian V-Twin","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Hastings Mfg piston ring is a moly-coated 1450 series component, precisely sized at .010\" oversize for V-twin motorcycle engines. It features a three-piece oil ring design, manufactured in the USA for exceptional quality.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-coated 1450 series for reduced wear\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for effective lubrication control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for reliable quality\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrecisely sized .010\" oversize for specific engine builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal for engine rebuilds where cylinders have been bored out, this ring ensures a proper seal and reduced friction. It's a critical part for restoring optimal compression and performance in your Harley-Davidson or Indian Motorcycle engine, distributed by Western Power Sports.\u003c\/p\u003e\u003ch3\u003eEngineered for Performance Rebuilds\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly-coated 1450 series for enhanced durability\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli\u003eMade in the USA to stringent quality standards\u003c\/li\u003e\n\u003cli\u003e.010\" oversize for specific bored-out applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCritical Component for Big Bore Engines\u003c\/h3\u003e\u003cp\u003eWhen you're building a performance V-twin, every component counts. This .010\" oversize piston ring is essential for engines that have undergone significant machining to achieve a larger bore. It ensures the tight seal required for maximum power and efficiency. Always confirm your engine's exact bore size and piston requirements to ensure a perfect match for your build.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M4942010\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538205050\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this ring set for stock or oversize pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is a .010\" oversize ring. It must be used only with pistons and cylinders that have been bored to that specific oversize specification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eHow many rings are in this pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is a single piston ring. For a complete ring set, you will need to order a full kit that matches your engine displacement and bore size, which typically includes multiple rings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eAre these moly-coated rings street legal?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, moly-coated piston rings are a common and accepted component in engine builds. The moly coating reduces wear and is perfectly suitable for street use on Harley-Davidson and Indian Motorcycle engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg 1450 Moly .010\\\" Oversize Piston Ring - Harley \u0026 Indian V-Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1450-moly-010-oversize-865-02002\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is this ring set for stock or oversize pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is a .010\\\" oversize ring. It must be used only with pistons and cylinders that have been bored to that specific oversize specification.\"}},{\"@type\":\"Question\",\"name\":\"How many rings are in this pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is a single piston ring. For a complete ring set, you will need to order a full kit that matches your engine displacement and bore size, which typically includes multiple rings.\"}},{\"@type\":\"Question\",\"name\":\"Are these moly-coated rings street legal?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, moly-coated piston rings are a common and accepted component in engine builds. The moly coating reduces wear and is perfectly suitable for street use on Harley-Davidson and Indian Motorcycle engines.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035809931375,"sku":"865-02002","price":105.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_5801a99f-2dbc-4df4-8228-eb20d9c60bfe.png?v=1779563161"},{"product_id":"hastings-mfg-piston-ring-1340evo-1200xl-moly-std-size-865-02003","title":"Hastings Mfg 1340 Evolution 1200XL Moly STD Size Piston Ring - Harley Evolution \u0026 Sportster","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Hastings Mfg piston ring is a standard-size component designed for 1340cc Evolution and 1200XL Sportster engines. Featuring a durable moly coating and a three-piece oil ring design, it's proudly manufactured in the USA.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly coating for enhanced durability and reduced wear\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for effective oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA with high-quality craftsmanship\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eStandard size for stock 1340cc Evolution and 1200XL engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEngineered for enhanced durability and wear resistance, this piston ring is crucial for maintaining optimal compression and oil control in your Harley-Davidson V-twin. It's an ideal replacement part for stock bore applications, ensuring your engine runs as intended.\u003c\/p\u003e\u003ch3\u003eOptimized for Evolution and Sportster Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly-coated for reduced friction and extended life\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil management\u003c\/li\u003e\n\u003cli\u003eMade in the USA for quality and reliability\u003c\/li\u003e\n\u003cli\u003eStandard bore size for stock engine applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCritical for a Healthy Engine\u003c\/h3\u003e\u003cp\u003eWhether you're refreshing a classic Evolution or keeping your Sportster 1200XL running strong, choosing the right piston rings is paramount. This standard-size Hastings Mfg ring provides the precision fit and durability needed for a reliable engine. Always confirm your engine displacement and current ring size before ordering to ensure correct fitment for your Harley-Davidson.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6164\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538112334\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Displacement:\u003c\/strong\u003e 1340cc Evolution and 1200XL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRing Size:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5 in L × 5 in W × 1 in H\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this fit my 883 Sportster?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this piston ring is specifically designed for 1200XL and 1340cc Evolution engines. 883 Sportster owners will need a different piston ring set that matches their engine's displacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat's the difference between standard, oversized, and undersized rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eStandard rings fit stock bore diameters. Oversized and undersized rings are used to accommodate cylinders that have been rebored or are worn beyond stock specifications. Always verify your engine's bore before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete piston ring set?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is a single piston ring. A complete ring set for an engine typically includes multiple compression rings and oil rings, which are usually purchased as a full kit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg 1340 Evolution 1200XL Moly STD Size Piston Ring - Harley Evolution \u0026 Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340evo-1200xl-moly-std-size-865-02003\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this fit my 883 Sportster?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this piston ring is specifically designed for 1200XL and 1340cc Evolution engines. 883 Sportster owners will need a different piston ring set that matches their engine's displacement.\"}},{\"@type\":\"Question\",\"name\":\"What's the difference between standard, oversized, and undersized rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Standard rings fit stock bore diameters. Oversized and undersized rings are used to accommodate cylinders that have been rebored or are worn beyond stock specifications. Always verify your engine's bore before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete piston ring set?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is a single piston ring. A complete ring set for an engine typically includes multiple compression rings and oil rings, which are usually purchased as a full kit.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035809996911,"sku":"865-02003","price":92.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_30f45039-cf8c-438b-852c-e1049988a386.png?v=1779562985"},{"product_id":"hastings-mfg-piston-ring-1340evo-1200xl-moly-005-oversize-865-02004","title":"Hastings Mfg 1340 Evolution 1200XL Moly .005\" Oversize Piston Ring - Harley Evolution \u0026 Sportster","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Hastings Mfg piston ring is precisely engineered for 1340cc Evolution and 1200cc Sportster engines that have been overbored. Featuring a molybdenum coating and sized at .005\" oversize, it ensures optimal sealing and reduced friction.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMolybdenum coating for enhanced wear resistance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design ensures superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for trusted quality and reliability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrecisely sized .005\" oversize for overbored cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eManufactured in the USA, this three-piece oil ring design is a critical component for restoring compression and performance in your Harley-Davidson V-twin after an engine rebuild. Its durable construction is built to withstand the demands of high-performance riding.\u003c\/p\u003e\u003ch3\u003eEngineered for Overbored Evolution and Sportster Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMolybdenum coating for superior wear reduction\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for effective oil control\u003c\/li\u003e\n\u003cli\u003eMade in the USA with focus on quality craftsmanship\u003c\/li\u003e\n\u003cli\u003e.005\" oversize for specific overbored cylinder applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Right Ring for Your Rebuild\u003c\/h3\u003e\u003cp\u003eWhen you're undertaking an engine rebuild on your Harley Evolution or 1200cc Sportster, choosing the correct piston rings is vital for achieving a strong, reliable powerplant. This .005\" oversize ring from Hastings Mfg provides the precise fitment needed for cylinders that have been machined to accommodate a larger bore. Always verify your engine's exact overbore specifications before ordering to ensure perfect compatibility.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6164005\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538112341\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\/Coating:\u003c\/strong\u003e Moly-coated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .005\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engine does this ring fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis piston ring is designed for 1340cc Evolution and 1200cc Sportster V-twin engines that have been specifically overbored by .005\".\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this work on a stock-bore engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this ring is sized .005\" oversize and is exclusively designed for overbored cylinders. Stock-bore applications require a different part number to ensure proper fitment and sealing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete piston ring set?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is a single piston ring. A complete ring set typically includes compression rings and oil rings, and you should verify your engine's total ring requirement before ordering a full kit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg 1340 Evolution 1200XL Moly .005\\\" Oversize Piston Ring - Harley Evolution \u0026 Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340evo-1200xl-moly-005-oversize-865-02004\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine does this ring fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This piston ring is designed for 1340cc Evolution and 1200cc Sportster V-twin engines that have been specifically overbored by .005\\\".\"}},{\"@type\":\"Question\",\"name\":\"Will this work on a stock-bore engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this ring is sized .005\\\" oversize and is exclusively designed for overbored cylinders. Stock-bore applications require a different part number to ensure proper fitment and sealing.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete piston ring set?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is a single piston ring. A complete ring set typically includes compression rings and oil rings, and you should verify your engine's total ring requirement before ordering a full kit.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810029679,"sku":"865-02004","price":92.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_7a072bb0-cdd3-4190-beb3-85055cb1fbb3.png?v=1779563279"},{"product_id":"hastings-mfg-piston-ring-1340evo-1200xl-moly-010-oversize-865-02005","title":"Hastings Mfg Moly Piston Ring .010\" Oversize - Harley Evolution \u0026 Sportster XL","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Hastings Mfg piston ring is engineered for 1340cc Evolution and 1200cc Sportster XL engines that have been bored .010\" oversize. Manufactured in the USA, it features a moly-coated face for reduced friction and increased durability. The three-piece oil ring design ensures superior oil control and reliable compression.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-coated for reduced friction and wear\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e.010\" oversize for rebored Evolution and Sportster XL cylinders\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for quality and reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen rebuilding a Harley Evolution or Sportster XL engine, precision components are critical for performance and longevity. This Hastings Mfg piston ring is specifically designed for cylinders that have been bored .010\" larger than stock, providing a perfect fit for your overbored setup. Its robust construction and advanced materials are chosen to withstand the demands of high-performance V-twin engines.\u003c\/p\u003e\u003ch3\u003eEngineered for Lasting Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly-coated face reduces friction and wear for extended engine life\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design ensures superior oil control and minimizes blow-by\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered for .010\" oversize bores in Evolution and Sportster XL engines\u003c\/li\u003e\n\u003cli\u003eProudly manufactured in the USA for quality assurance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOptimizing Your Rebuild\u003c\/h3\u003e\u003cp\u003eInstalling the correct piston rings is a cornerstone of any successful engine rebuild. This .010\" oversize ring is ideal for riders looking to restore compression and optimize performance on a rebored 1340cc Evolution or 1200cc Sportster XL. Pair these rings with properly sized pistons and a professional cylinder hone for a refresh that will keep your V-twin running strong for miles to come.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6164010\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538112358\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Fit:\u003c\/strong\u003e 1340cc Evolution, 1200 Sportster XL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .010\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engines does this piston ring fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for 1340cc Evolution Big Twin and 1200cc Sportster XL engines that have been bored .010\" oversize. Confirm your cylinder bore size before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of piston rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. You will need to order the appropriate quantity for your engine's number of cylinders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat does \".010\" oversize\" mean?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThe \".010\" oversize\" designation means this ring is for cylinders that have been machined .010\" larger than the original factory diameter. It will not fit standard bore cylinders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring .010\\\" Oversize - Harley Evolution \u0026 Sportster XL\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340evo-1200xl-moly-010-oversize-865-02005\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engines does this piston ring fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for 1340cc Evolution Big Twin and 1200cc Sportster XL engines that have been bored .010\\\" oversize. Confirm your cylinder bore size before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of piston rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. You will need to order the appropriate quantity for your engine's number of cylinders.\"}},{\"@type\":\"Question\",\"name\":\"What does \\\".010\\\" oversize\\\" mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The \\\".010\\\" oversize\\\" designation means this ring is for cylinders that have been machined .010\\\" larger than the original factory diameter. It will not fit standard bore cylinders.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810062447,"sku":"865-02005","price":92.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_fcdaee4f-60b0-45db-aa7e-d2d62ca5306d.png?v=1779563762"},{"product_id":"hastings-mfg-piston-ring-1340evo-1200xl-moly-020-oversize-865-02006","title":"Hastings Mfg Moly Piston Ring .020\" Oversize - Harley Evolution \u0026 Sportster XL","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Hastings Mfg moly piston ring is specifically engineered for 1340cc Evolution and 1200cc Sportster XL engines that have been bored .020\" oversize. Made in the USA, it features a robust three-piece oil ring design to ensure excellent oil control and consistent compression, crucial for a high-performing V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-coated for reduced friction and extended life\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e.020\" oversize for rebored Evolution and Sportster XL cylinders\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for quality and reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen undertaking an engine rebuild, selecting the correct piston rings is paramount for restoring performance and ensuring long-term reliability. This Hastings Mfg ring is precisely sized for cylinders that have been machined .020\" larger than the original factory specification, making it perfect for your overbored Evolution or Sportster XL motor. The moly-coated construction provides a durable surface that minimizes friction and enhances the seal within the cylinder.\u003c\/p\u003e\u003ch3\u003ePrecision Engineering for Rebuilt Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly face coating reduces friction and extends ring life\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design ensures optimal oil control and sealing\u003c\/li\u003e\n\u003cli\u003eEngineered for .020\" oversize applications on Evolution and Sportster XL engines\u003c\/li\u003e\n\u003cli\u003eProudly made in the USA for dependable quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Overbored V-Twins\u003c\/h3\u003e\u003cp\u003eFor riders running a 1340cc Evolution or 1200cc Sportster XL with cylinders bored .020\" oversize, this piston ring is a critical component for achieving proper compression and oil management. Its design helps prevent blow-by and maintain consistent power delivery. Ensure your engine's bores are accurately measured before installation to guarantee a perfect fit and peak performance.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6164020\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538112365\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 0.020\" oversize\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 1340cc Evolution \/ 1200XL Sportster\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engines does this piston ring fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is specifically for 1340cc Evolution and 1200cc Sportster XL engines that have been bored .020\" oversize. It will not fit standard bore cylinders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. You will need to order the quantity required for your specific engine application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eCan I use this ring in a standard bore engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a .020\" oversize ring. It is designed only for cylinders that have been machined .020\" larger than stock. Installing it in a standard bore would result in incorrect fitment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring .020\\\" Oversize - Harley Evolution \u0026 Sportster XL\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340evo-1200xl-moly-020-oversize-865-02006\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engines does this piston ring fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is specifically for 1340cc Evolution and 1200cc Sportster XL engines that have been bored .020\\\" oversize. It will not fit standard bore cylinders.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. You will need to order the quantity required for your specific engine application.\"}},{\"@type\":\"Question\",\"name\":\"Can I use this ring in a standard bore engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a .020\\\" oversize ring. It is designed only for cylinders that have been machined .020\\\" larger than stock. Installing it in a standard bore would result in incorrect fitment.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810095215,"sku":"865-02006","price":92.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_975a600d-5622-4b61-80c3-34cc7671ac5d.png?v=1779562975"},{"product_id":"hastings-mfg-piston-ring-1340evo-1200xl-cast-std-size-865-02008","title":"Hastings Mfg Cast Iron Piston Ring Standard Size - Harley Evolution \u0026 Sportster","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Hastings Mfg piston ring is designed for standard size 1340cc Evolution and 1200cc Sportster engines. Crafted from cast iron and featuring a three-piece oil ring design, it provides reliable compression and superior oil control. Manufactured in the USA, this ring meets the demands of V-twin performance.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eStandard size for factory bore cylinders\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable cast iron construction\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for reliable quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen refreshing your 1340cc Evolution or 1200cc Sportster engine, maintaining proper compression and oil control is essential. This Hastings Mfg standard size piston ring is an ideal replacement for engines with cylinders still within factory specifications. Its cast iron construction offers proven durability and consistent performance, ensuring your V-twin runs efficiently.\u003c\/p\u003e\u003ch3\u003eReliable Performance for Stock Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStandard size fitment for un-machined cylinders\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for excellent oil control\u003c\/li\u003e\n\u003cli\u003eDurable cast iron construction for longevity\u003c\/li\u003e\n\u003cli\u003eMade in the USA for assured quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaintaining Your V-Twin's Health\u003c\/h3\u003e\u003cp\u003eFor riders performing routine maintenance or a rebuild on a standard bore Evolution or Sportster, this piston ring provides the foundation for restoring your engine's top-end health. Proper ring seating is crucial for maximizing power and minimizing oil consumption. Ensure your cylinders are within factory tolerances for optimal fitment and performance with this quality component.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6164\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538112211\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Size:\u003c\/strong\u003e 1340cc Evolution \/ 1200cc Sportster\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRing Type:\u003c\/strong\u003e Oil ring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engines does this standard size ring fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for standard bore 1340cc Evolution Big Twin and 1200cc Sportster engines. It is not for overbored cylinders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of piston rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. You will need to order the quantity required for your specific engine application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the benefit of a three-piece oil ring?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThe three-piece oil ring design provides superior oil control, effectively scraping oil from cylinder walls to prevent excessive oil consumption and reduce carbon buildup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Cast Iron Piston Ring Standard Size - Harley Evolution \u0026 Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340evo-1200xl-cast-std-size-865-02008\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engines does this standard size ring fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for standard bore 1340cc Evolution Big Twin and 1200cc Sportster engines. It is not for overbored cylinders.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of piston rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. You will need to order the quantity required for your specific engine application.\"}},{\"@type\":\"Question\",\"name\":\"What is the benefit of a three-piece oil ring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The three-piece oil ring design provides superior oil control, effectively scraping oil from cylinder walls to prevent excessive oil consumption and reduce carbon buildup.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810160751,"sku":"865-02008","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_fcae33ab-1c05-4414-81b7-f73b3a639ef0.png?v=1779562978"},{"product_id":"hastings-mfg-piston-ring-1340evo-1200xl-moly-030-oversize-865-02007","title":"Hastings Mfg Moly Piston Ring .030\" Oversize - Harley Evolution \u0026 Sportster XL","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Hastings Mfg piston ring is specifically engineered for 1340cc Evolution and 1200cc Sportster XL engines that have been rebored .030\" oversize. Featuring a durable moly-faced compression ring and a three-piece oil ring set, it's made in the USA to ensure optimal sealing and long-term performance for your V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-faced compression ring for durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring set for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e.030\" oversize for rebored Evolution and Sportster XL\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for quality assurance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen pushing the limits of your 1340cc Evolution or 1200cc Sportster XL engine, precision internal components are non-negotiable. This Hastings Mfg piston ring is meticulously crafted for cylinders that have undergone a .030\" overbore, providing a perfect fit for a high-performance rebuild. The moly-faced compression ring reduces friction and wear, while the robust oil ring set maintains critical oil control.\u003c\/p\u003e\u003ch3\u003eEngineered for High-Performance Rebuilds\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly-faced compression ring for reduced friction and enhanced durability\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring set ensures superior oil control and sealing\u003c\/li\u003e\n\u003cli\u003ePrecisely sized for .030\" oversize Evolution and Sportster XL cylinders\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA for uncompromising quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCritical for Oversize Engine Builds\u003c\/h3\u003e\u003cp\u003eFor riders and builders working on an Evolution or Sportster XL engine with a .030\" overbore, selecting the correct rings is vital for achieving desired power and reliability. This Hastings Mfg ring set is built to handle the demands of increased displacement, providing the sealing integrity needed for strong compression and efficient operation. Always verify your cylinder bore measurements before installing new rings to ensure perfect compatibility.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6164030\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538112372\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Fit:\u003c\/strong\u003e 1340cc Evolution and 1200XL Sportster\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .030\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engines does this piston ring fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for 1340cc Evolution and 1200cc Sportster XL engines that have been rebored .030\" oversize. It will not fit standard bore or other oversize applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of piston rings for an engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis includes a compression ring with a three-piece oil ring set for a single cylinder. You will need to order the correct quantity for your engine's cylinder count.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this ring fit a standard bore cylinder?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a .030\" oversize ring and is only suitable for cylinders that have been machined .030\" larger than stock. Standard bore engines require a different ring size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring .030\\\" Oversize - Harley Evolution \u0026 Sportster XL\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340evo-1200xl-moly-030-oversize-865-02007\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engines does this piston ring fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for 1340cc Evolution and 1200cc Sportster XL engines that have been rebored .030\\\" oversize. It will not fit standard bore or other oversize applications.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of piston rings for an engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This includes a compression ring with a three-piece oil ring set for a single cylinder. You will need to order the correct quantity for your engine's cylinder count.\"}},{\"@type\":\"Question\",\"name\":\"Will this ring fit a standard bore cylinder?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a .030\\\" oversize ring and is only suitable for cylinders that have been machined .030\\\" larger than stock. Standard bore engines require a different ring size.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810193519,"sku":"865-02007","price":92.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_7b0198fe-18f8-4c58-ba06-d4e373177b76.png?v=1779563293"},{"product_id":"hastings-mfg-piston-ring-1340evo-1200xl-cast-005-oversize-865-02009","title":"Hastings Mfg Cast Iron Piston Ring .005\" Oversize - Harley Evolution \u0026 Sportster XL","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Hastings Mfg piston ring is specifically designed for 1340cc Evolution and 1200cc Sportster XL engines that have been rebored .005\" oversize. Manufactured in the USA, it features a robust three-piece oil ring design, providing excellent oil control and reliable compression for your V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e.005\" oversize for rebored Evolution and Sportster XL\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eOEM-quality Hastings construction\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for reliable performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen rebuilding your Harley Evolution or Sportster XL engine, precision components are critical for restoring performance and ensuring long-term durability. This Hastings Mfg piston ring is engineered for cylinders that have been machined .005\" larger than stock, offering a precise fit for your overbored motor. The OEM-quality cast construction provides proven strength and consistent sealing.\u003c\/p\u003e\u003ch3\u003eOptimized Sealing for Rebored Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli\u003ePrecisely sized for .005\" oversize Evolution and Sportster XL bores\u003c\/li\u003e\n\u003cli\u003eOEM-quality Hastings construction for proven durability\u003c\/li\u003e\n\u003cli\u003eProudly manufactured in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Strong Rebuild\u003c\/h3\u003e\u003cp\u003eFor riders looking to refresh their 1340cc Evolution or 1200cc Sportster XL engine, this .005\" oversize piston ring is a crucial component for achieving optimal compression and minimizing oil consumption. Proper installation with accurately measured cylinders will ensure your V-twin runs strong and reliably. This ring is a testament to quality American manufacturing, built for the demands of Harley-Davidson and Indian Motorcycle engines.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6164005\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538112228\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Application:\u003c\/strong\u003e 1340cc Evo, 1200cc XL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e 0.005\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engines does this piston ring fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for 1340cc Evolution and 1200cc Sportster XL engines that have been rebored .005\" oversize. It will not fit standard bore cylinders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. You will need to order the quantity required for your specific engine application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eCan this be used in a standard bore engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a .005\" oversize ring. It is specifically made for cylinders that have been machined .005\" larger than stock and will not fit standard bore applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Cast Iron Piston Ring .005\\\" Oversize - Harley Evolution \u0026 Sportster XL\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340evo-1200xl-cast-005-oversize-865-02009\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engines does this piston ring fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for 1340cc Evolution and 1200cc Sportster XL engines that have been rebored .005\\\" oversize. It will not fit standard bore cylinders.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. You will need to order the quantity required for your specific engine application.\"}},{\"@type\":\"Question\",\"name\":\"Can this be used in a standard bore engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a .005\\\" oversize ring. It is specifically made for cylinders that have been machined .005\\\" larger than stock and will not fit standard bore applications.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810226287,"sku":"865-02009","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_7a01d5a2-21c6-48bc-8cab-3f794797c3a1.png?v=1779563277"},{"product_id":"hastings-mfg-piston-ring-1340evo-1200xl-cast-010-oversize-865-02010","title":"Hastings Mfg Cast Iron Piston Ring .010\" Oversize - Harley Evolution \u0026 Sportster","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Hastings Mfg piston ring is engineered for 1340cc Evolution and 1200cc Sportster engines that have been rebored .010\" oversize. Manufactured in the USA, it features a three-piece oil ring design to ensure reliable sealing and superior oil control, critical for a high-performing V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e.010\" oversize for rebored Evolution and Sportster\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable cast iron construction\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for reliable quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen rebuilding your Harley Evolution or Sportster engine, precision components are essential for restoring peak performance and ensuring long-term reliability. This Hastings Mfg piston ring is specifically designed for cylinders that have been machined .010\" larger than the original factory specification, providing a perfect fit for your overbored motor. The robust cast iron construction offers proven durability and consistent sealing.\u003c\/p\u003e\u003ch3\u003eEngineered for Enhanced Engine Sealing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil control and sealing\u003c\/li\u003e\n\u003cli\u003ePrecisely sized for .010\" oversize Evolution and Sportster cylinders\u003c\/li\u003e\n\u003cli\u003eDurable cast iron construction for lasting performance\u003c\/li\u003e\n\u003cli\u003eMade in the USA for assured quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFoundational for a Strong Rebuild\u003c\/h3\u003e\u003cp\u003eFor riders undertaking a rebuild on a 1340cc Evolution or 1200cc Sportster engine with a .010\" overbore, this piston ring is a crucial component for achieving proper compression and minimizing oil consumption. Its design helps prevent blow-by and maintain consistent power delivery. Always ensure your engine's bores are accurately measured before installation to guarantee a perfect fit and peak performance.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6164010\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538112235\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Displacement:\u003c\/strong\u003e 1340cc Evolution \/ 1200cc Sportster\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .010\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engines does this piston ring fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for 1340cc Evolution and 1200cc Sportster engines that have been rebored .010\" oversize. It is not for standard bore cylinders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of piston rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. You will need to order the appropriate quantity for your engine's number of cylinders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eCan I install this in a standard bore cylinder?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a .010\" oversize ring. It is designed only for cylinders that have been machined .010\" larger than stock. Installing it in a standard bore would result in incorrect fitment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Cast Iron Piston Ring .010\\\" Oversize - Harley Evolution \u0026 Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340evo-1200xl-cast-010-oversize-865-02010\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engines does this piston ring fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for 1340cc Evolution and 1200cc Sportster engines that have been rebored .010\\\" oversize. It is not for standard bore cylinders.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of piston rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. You will need to order the appropriate quantity for your engine's number of cylinders.\"}},{\"@type\":\"Question\",\"name\":\"Can I install this in a standard bore cylinder?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a .010\\\" oversize ring. It is designed only for cylinders that have been machined .010\\\" larger than stock. Installing it in a standard bore would result in incorrect fitment.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810259055,"sku":"865-02010","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_18263238-4799-4706-873b-ef8c26dc8010.png?v=1779562995"},{"product_id":"hastings-mfg-piston-ring-1340evo-1200xl-cast-020-oversize-865-02011","title":"Hastings Mfg Cast Piston Ring .020\" Oversize - Harley Evolution \u0026 Sportster","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen rebuilding a high-mileage V-twin, an overbore is often the best path to restoring compression and sealing. These Hastings Mfg cast piston rings are specifically designed for 1340cc Evolution and 1200cc Sportster engines that have been bored .020\" oversize. Manufactured in the USA, they provide the quality and fitment you need for a lasting rebuild.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits 1340cc Evolution and 1200cc Sportster V-twins\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for .020\" oversize bore applications\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring for reliable oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eCast construction for durability and consistent performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for quality manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA proper piston ring seal is critical for both power and longevity. This Hastings Mfg piston ring set features a robust three-piece oil ring design, engineered to maintain consistent oil control and prevent blow-by in your Harley-Davidson engine. Each ring is crafted with precision to ensure an optimal fit within the newly bored cylinders, delivering the performance and reliability expected from a top-tier engine component.\u003c\/p\u003e\u003ch3\u003ePrecision for Your Rebuild\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngineered for 1340cc Evolution and 1200cc Sportster engines\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for .020\" oversize cylinder bores\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring construction for superior oil control\u003c\/li\u003e\n\u003cli\u003eProudly manufactured in the USA for quality assurance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Strong Top-End\u003c\/h3\u003e\u003cp\u003eUsing the correct size piston rings is non-negotiable for a successful engine rebuild. These .020\" oversize rings are intended for use with matching oversize pistons in cylinders that have been machined to the precise dimension. Whether you're refreshing a tired Evo or giving new life to a Sportster motor, Hastings Mfg provides the critical components to get your V-twin running strong again. Always confirm your bore size and piston type before ordering to ensure perfect compatibility and peak performance.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6164020\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538112242\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRing Size:\u003c\/strong\u003e .020\" oversize\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e 1340cc Evo, 1200cc Sportster\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engine does this piston ring fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for 1340cc Evolution and 1200cc Sportster engines. Please confirm your engine size before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this ring for a standard or oversize piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is a .020\" oversize ring. It is only for cylinders that have been bored .020\" larger than stock and used with matching .020\" oversize pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis product is for a single piston ring. For a complete rebuild, you will need to order the appropriate number of rings for your engine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Cast Piston Ring .020\\\" Oversize - Harley Evolution \u0026 Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340evo-1200xl-cast-020-oversize-865-02011\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine does this piston ring fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for 1340cc Evolution and 1200cc Sportster engines. Please confirm your engine size before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Is this ring for a standard or oversize piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is a .020\\\" oversize ring. It is only for cylinders that have been bored .020\\\" larger than stock and used with matching .020\\\" oversize pistons.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This product is for a single piston ring. For a complete rebuild, you will need to order the appropriate number of rings for your engine.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810324591,"sku":"865-02011","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_18b533a4-0e29-41a8-a6eb-c9ea24d9e468.png?v=1779563767"},{"product_id":"hastings-mfg-piston-ring-1340evo-1200xl-cast-030-oversize-865-02012","title":"Hastings Mfg Cast Piston Ring .030\" Oversize - Harley Evolution \u0026 Sportster","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen your Harley-Davidson engine requires a significant refresh, boring your cylinders is a common solution to bring back lost power and sealing. These Hastings Mfg cast piston rings are precision-engineered for 1340cc Evolution and 1200cc Sportster engines that have been machined to a .030\" oversize. Manufactured in the USA, they deliver the quality and precise fitment essential for a robust engine rebuild.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits 1340cc Evolution and 1200cc Sportster V-twins\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for .030\" oversize bore applications\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring for reliable oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eCast construction for durability and consistent performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for quality manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMaintaining proper ring seal is critical for both engine performance and longevity. This Hastings Mfg piston ring set features a reliable three-piece oil ring design, specifically developed to ensure consistent oil control and minimize blow-by in your Harley-Davidson V-twin. Each ring is crafted with attention to detail to provide an optimal seal within the rebored cylinders, ensuring the durability and performance you demand from a high-quality engine component.\u003c\/p\u003e\u003ch3\u003ePrecision for Your Rebuild\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngineered for 1340cc Evolution and 1200cc Sportster engines\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for .030\" oversize cylinder bores\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring construction for superior oil control\u003c\/li\u003e\n\u003cli\u003eProudly manufactured in the USA for quality assurance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Strong Top-End\u003c\/h3\u003e\u003cp\u003eSelecting the correct size piston rings is paramount for a successful engine rebuild. These .030\" oversize rings are made to be used with matching oversize pistons in cylinders that have been accurately machined to this larger dimension. Whether you're breathing new life into a Shovelhead-era Evolution or bringing a Sportster back to peak form, Hastings Mfg provides the critical components to ensure your V-twin runs powerfully and reliably. Always double-check your bore size and piston specifications before ordering to guarantee perfect compatibility and optimal engine health.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6164030\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538112259\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .030\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5 in L × 5 in W × 1 in H\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engine does this piston ring fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for 1340cc Evolution and 1200cc Sportster engines. Please confirm your engine size before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this ring for a standard or oversize piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is a .030\" oversize ring. It is only for cylinders that have been bored .030\" larger than stock and used with matching .030\" oversize pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis product is for a single piston ring. For a complete rebuild, you will need to order the appropriate number of rings for your engine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Cast Piston Ring .030\\\" Oversize - Harley Evolution \u0026 Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340evo-1200xl-cast-030-oversize-865-02012\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine does this piston ring fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for 1340cc Evolution and 1200cc Sportster engines. Please confirm your engine size before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Is this ring for a standard or oversize piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is a .030\\\" oversize ring. It is only for cylinders that have been bored .030\\\" larger than stock and used with matching .030\\\" oversize pistons.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This product is for a single piston ring. For a complete rebuild, you will need to order the appropriate number of rings for your engine.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810357359,"sku":"865-02012","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_a89f315b-57fc-40a4-a682-0804b1cb3072.png?v=1779562999"},{"product_id":"hastings-mfg-piston-ring-883-xl-moly-std-size-865-02013","title":"Hastings Mfg Moly Piston Ring Standard Size - Harley 883 Sportster","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen it's time to refresh your 883cc Sportster engine, proper piston rings are essential for restoring compression and ensuring long-term reliability. These Hastings Mfg piston rings are designed for standard bore 883cc Harley-Davidson Sportster engines. Featuring moly-coated compression rings and a three-piece oil ring design, they deliver dependable performance.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-coated compression rings for enhanced sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for excellent oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eStandard bore size for 883cc Sportster engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for dependable quality\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEssential for engine rebuilds and top-end refreshes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA strong ring seal is crucial for the power and efficiency of your V-twin. These Hastings Mfg piston rings are proudly made in the USA, ensuring high-quality manufacturing and a precise fit. The moly-coated compression rings reduce friction and enhance sealing, while the three-piece oil ring design provides excellent oil control, preventing blow-by and maintaining consistent lubrication. This combination helps your 883 Sportster run cleaner and stronger.\u003c\/p\u003e\u003ch3\u003eOptimized for 883 Sportster Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly-coated compression rings for reduced friction and improved seal\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli\u003eDesigned for standard bore 883cc Sportster engines\u003c\/li\u003e\n\u003cli\u003eMade in the USA for reliable quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Core of Your Top-End Rebuild\u003c\/h3\u003e\u003cp\u003eInstalling new piston rings is a vital step in any top-end refresh. These standard-size rings are intended for 883cc Sportster engines with factory bore cylinders that are still within tolerance. For optimal results, ensure your cylinders are clean and true before installation. Pair these rings with a quality piston and a meticulous assembly process to bring your Sportster back to peak performance, whether for daily riding or spirited runs.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6198\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538110880\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5 in L x 5 in W x 1 in H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.25 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this fit my 1200cc Sportster?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this ring set is specifically sized for 883cc Sportster engines with standard bore. 1200cc Sportsters require a different part number.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eDo I need to check my bore size before ordering?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these rings are for standard bore 883cc Sportster engines. Always confirm your cylinder bore is within factory specifications before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete ring set for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis product is for a single piston ring set. For a full engine rebuild, you will need to order enough sets for both cylinders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring Standard Size - Harley 883 Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-883-xl-moly-std-size-865-02013\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this fit my 1200cc Sportster?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this ring set is specifically sized for 883cc Sportster engines with standard bore. 1200cc Sportsters require a different part number.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to check my bore size before ordering?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these rings are for standard bore 883cc Sportster engines. Always confirm your cylinder bore is within factory specifications before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete ring set for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This product is for a single piston ring set. For a full engine rebuild, you will need to order enough sets for both cylinders.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810390127,"sku":"865-02013","price":66.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_46f2ad74-80d3-4571-93d2-1e261a06c744.png?v=1779562978"},{"product_id":"hastings-mfg-piston-ring-883-xl-moly-005-oversize-865-02014","title":"Hastings Mfg Moly Piston Ring .005\" Oversize - Harley 883 Sportster","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen performing a top-end rebuild on your 883cc Sportster and a slight overbore is necessary, these Hastings Mfg piston rings are the precise solution. Sized at .005\" oversize, they are engineered to restore optimal compression and oil control. Manufactured in the USA, these rings deliver the quality and fitment required for a reliable engine refresh.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-coated compression rings for enhanced sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for excellent oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for .005\" oversize 883cc Sportster engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for dependable quality\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIdeal for reboring applications and engine refreshes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAchieving a perfect ring seal is paramount for engine performance and longevity. This Hastings Mfg piston ring set features moly-coated compression rings that reduce friction and improve sealing efficiency, coupled with a robust three-piece oil ring design for superior oil control. Made in the USA, these rings are crafted to exacting standards, ensuring a precise fit within your .005\" overbored 883cc Sportster cylinders. This combination helps maintain consistent power and extends engine life.\u003c\/p\u003e\u003ch3\u003ePrecision for Your 883 Sportster\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly-coated compression rings for reduced friction and improved seal\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli\u003eDesigned for .005\" oversize 883cc Sportster engines\u003c\/li\u003e\n\u003cli\u003eMade in the USA for reliable quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuilding a Stronger Sportster Top-End\u003c\/h3\u003e\u003cp\u003eProperly sized piston rings are critical for any engine rebuild. These .005\" oversize rings are intended for use with matching oversize pistons in 883cc Sportster cylinders that have been machined to this specific larger dimension. Always verify your current bore size and piston specifications before ordering to ensure perfect compatibility. A meticulous installation process with these quality rings will help your Sportster achieve optimal compression and a long, powerful service life.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6198005\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538110897\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5 in L x 5 in W x 1 in H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.25 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat does .005\" oversize mean?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is sized for pistons bored .005\" larger than stock 883cc specifications. Your cylinders must be machined to this dimension for proper fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eDo I need new pistons to use these rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, oversize rings require oversize pistons that match the bore diameter. These rings are designed to be used with .005\" oversize pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis product is a single piston ring set. For a complete engine rebuild, you will need to order enough sets for both cylinders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring .005\\\" Oversize - Harley 883 Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-883-xl-moly-005-oversize-865-02014\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does .005\\\" oversize mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is sized for pistons bored .005\\\" larger than stock 883cc specifications. Your cylinders must be machined to this dimension for proper fit.\"}},{\"@type\":\"Question\",\"name\":\"Do I need new pistons to use these rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, oversize rings require oversize pistons that match the bore diameter. These rings are designed to be used with .005\\\" oversize pistons.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This product is a single piston ring set. For a complete engine rebuild, you will need to order enough sets for both cylinders.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810422895,"sku":"865-02014","price":50.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_c6a6e52f-7c9f-43d8-9c3a-b83bdaf04cab.png?v=1779563772"},{"product_id":"hastings-mfg-piston-ring-883-xl-moly-010-oversize-865-02015","title":"Hastings Mfg Moly Piston Ring .010\" Oversize - Harley 883 Sportster","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eFor 883cc Sportster engines requiring a precise overbore, these Hastings Mfg piston rings are engineered to deliver renewed performance and reliability. Sized at .010\" oversize, they are designed to restore compression and ensure superior oil control. Manufactured in the USA, these rings provide the quality and exact fitment essential for a successful engine rebuild.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-coated compression rings for enhanced sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for excellent oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for .010\" oversize 883cc Sportster engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for dependable quality\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIdeal for reboring applications and engine refreshes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA consistent and robust ring seal is fundamental for both engine power output and long-term durability. This Hastings Mfg piston ring set features moly-coated compression rings, which minimize friction and maximize sealing efficiency, paired with a reliable three-piece oil ring design for excellent oil control. Crafted in the USA to stringent standards, these rings ensure a precise fit within your .010\" overbored 883cc Sportster cylinders. This combination helps your V-twin maintain peak performance and a cleaner combustion cycle.\u003c\/p\u003e\u003ch3\u003ePrecision for Your 883 Sportster\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly-coated compression rings for reduced friction and improved seal\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli\u003eDesigned for .010\" oversize 883cc Sportster engines\u003c\/li\u003e\n\u003cli\u003eMade in the USA for reliable quality and fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Powerful Top-End\u003c\/h3\u003e\u003cp\u003eAccurately sized piston rings are critical for any engine rebuild or refresh. These .010\" oversize rings are intended for use with matching oversize pistons in 883cc Sportster cylinders that have been precisely machined to this larger dimension. Always verify your current bore size and piston specifications before ordering to ensure perfect compatibility. Proper installation of these quality rings will help your Sportster achieve optimal compression and a strong, enduring top-end.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6198010\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538110903\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.25 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat does .010\" oversize mean?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is sized for cylinders bored .010\" larger than stock 883cc specifications. Your cylinders must be machined to this dimension for proper fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete ring set or just one ring?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis product is a single piston ring set. For a complete engine rebuild, you will need to order enough sets for both cylinders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eCan I use these on a stock 883 with original bore?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, these oversize rings will not seal properly on stock-bore cylinders. They are specifically for cylinders that have been bored .010\" oversize.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring .010\\\" Oversize - Harley 883 Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-883-xl-moly-010-oversize-865-02015\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does .010\\\" oversize mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is sized for cylinders bored .010\\\" larger than stock 883cc specifications. Your cylinders must be machined to this dimension for proper fit.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete ring set or just one ring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This product is a single piston ring set. For a complete engine rebuild, you will need to order enough sets for both cylinders.\"}},{\"@type\":\"Question\",\"name\":\"Can I use these on a stock 883 with original bore?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, these oversize rings will not seal properly on stock-bore cylinders. They are specifically for cylinders that have been bored .010\\\" oversize.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810488431,"sku":"865-02015","price":50.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_3597ab29-0133-4505-af3d-163300ffab4f.png?v=1779563279"},{"product_id":"hastings-mfg-piston-ring-1340cc-shovel-moly-std-size-865-02016","title":"Hastings Mfg Moly Piston Ring Standard Size - Harley 1340cc Shovelhead","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen rebuilding your classic 1340cc Shovelhead engine, the right piston rings are crucial for bringing back its legendary performance. These Hastings Mfg piston rings are designed for standard bore 1340cc Shovelhead V-twins. Featuring moly-coated compression rings and a three-piece oil ring design, they provide the dependable seal and oil control your vintage Harley-Davidson deserves.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-coated compression ring for enhanced sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring set for excellent oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eStandard bore size for 1340cc Shovelhead engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for dependable quality\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEssential for Shovelhead engine rebuilds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA strong and consistent ring seal is vital for the power and longevity of your Shovelhead engine. These Hastings Mfg piston rings are proudly made in the USA, ensuring high-quality manufacturing and a precise fit. The moly-coated compression rings reduce friction and enhance sealing, while the three-piece oil ring design provides excellent oil control, preventing blow-by and maintaining consistent lubrication. This combination helps your Shovelhead run efficiently and powerfully, just as it was meant to.\u003c\/p\u003e\u003ch3\u003eOptimized for 1340cc Shovelhead Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly-coated compression ring for reduced friction and improved seal\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring set for superior oil control\u003c\/li\u003e\n\u003cli\u003eDesigned for standard bore 1340cc Shovelhead engines\u003c\/li\u003e\n\u003cli\u003eMade in the USA for reliable quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Heart of Your Shovelhead Rebuild\u003c\/h3\u003e\u003cp\u003eInstalling new piston rings is a critical step in any Shovelhead top-end refresh. These standard-size rings are intended for 1340cc Shovelhead engines with factory bore cylinders that are still within tolerance. For optimal results, ensure your cylinders are clean and true before installation. Pair these rings with a quality piston and a meticulous assembly process to bring your Shovelhead back to its thumping best, ready for the road ahead.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6127\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538114130\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Size:\u003c\/strong\u003e 1340cc Shovel-head\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRing Type:\u003c\/strong\u003e Moly compression + oil rings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.23 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this fit my engine size?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring set is specifically for 1340cc Shovelhead engines with standard bore. Please verify your engine displacement and current bore diameter before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat's included with this part number?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis includes one moly-coated compression ring and a three-piece oil ring set, providing a complete ring package for one piston.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eDo I need to replace all rings at once?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eFor a complete and reliable top-end rebuild, it is highly recommended to replace all compression and oil rings at the same time to ensure consistent sealing and performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring Standard Size - Harley 1340cc Shovelhead\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340cc-shovel-moly-std-size-865-02016\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this fit my engine size?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring set is specifically for 1340cc Shovelhead engines with standard bore. Please verify your engine displacement and current bore diameter before ordering.\"}},{\"@type\":\"Question\",\"name\":\"What's included with this part number?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This includes one moly-coated compression ring and a three-piece oil ring set, providing a complete ring package for one piston.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to replace all rings at once?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For a complete and reliable top-end rebuild, it is highly recommended to replace all compression and oil rings at the same time to ensure consistent sealing and performance.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810521199,"sku":"865-02016","price":91.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_f9c95e35-9c33-4566-8763-b95af778f1e9.png?v=1779563767"},{"product_id":"hastings-mfg-piston-ring-1340cc-shovel-moly-010-oversize-865-02017","title":"Hastings Mfg Moly Piston Ring .010\" Oversize - 1340cc Shovel Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen you're boring out a 1340cc Shovel for a rebuild, getting the right piston rings is critical for sealing and longevity. These Hastings Mfg moly piston rings are precision-engineered for cylinders that have been bored .010\" oversize. Made in the USA, they're built to maintain compression and control oil in a hard-working V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits 1340cc Shovel engines with .010\" oversize bores\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable moly construction for longevity\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for trusted quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Hastings Mfg piston rings are specifically designed for 1340cc Shovel engines that have been bored .010\" oversize. The moly construction provides enhanced durability and wear resistance, crucial for the demands of a performance V-twin rebuild. Ensuring a proper ring seal is fundamental to maximizing the power and efficiency of your classic Harley-Davidson motor.\u003c\/p\u003e\u003ch3\u003eEngineered for Rebuilt Shovelheads\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 1340cc Shovel engines with .010\" oversize bores\u003c\/li\u003e\n\u003cli\u003eMoly construction for improved durability and wear resistance\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for effective oil control\u003c\/li\u003e\n\u003cli\u003eMade in the USA for quality and reliability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Strong Rebuild\u003c\/h3\u003e\u003cp\u003eInstalling new piston rings is a vital step in any engine rebuild, especially when cylinders have been bored to an oversize spec. These Hastings Mfg rings ensure that your fresh bore gets the proper seal it needs for optimal compression and reduced blowby. Pair them with correctly matched pistons for a complete and robust engine refresh, getting your Shovel back on the road with renewed power.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6127010\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538114147\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .010\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Displacement:\u003c\/strong\u003e 1340cc Shovel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.23 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat does .010\" oversize mean for these rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThese rings are manufactured for cylinders that have been bored .010 inches larger than the stock diameter. They are essential for achieving a correct seal in an oversized bore.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill these rings fit a stock 1340cc Shovel engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, these rings are specifically for 1340cc Shovel engines with .010\" oversized cylinders. Stock bore engines require standard-sized piston rings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eDo I need special tools for installation?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003ePiston ring installation typically requires a piston ring compressor tool to properly seat the piston into the cylinder without damaging the rings. Always consult your service manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring .010\\\" Oversize - 1340cc Shovel Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340cc-shovel-moly-010-oversize-865-02017\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does .010\\\" oversize mean for these rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These rings are manufactured for cylinders that have been bored .010 inches larger than the stock diameter. They are essential for achieving a correct seal in an oversized bore.\"}},{\"@type\":\"Question\",\"name\":\"Will these rings fit a stock 1340cc Shovel engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, these rings are specifically for 1340cc Shovel engines with .010\\\" oversized cylinders. Stock bore engines require standard-sized piston rings.\"}},{\"@type\":\"Question\",\"name\":\"Do I need special tools for installation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Piston ring installation typically requires a piston ring compressor tool to properly seat the piston into the cylinder without damaging the rings. Always consult your service manual.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810553967,"sku":"865-02017","price":91.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_ebed248a-b5f9-4d96-b75d-d1d749e2d0db.png?v=1779562982"},{"product_id":"hastings-mfg-piston-ring-1340cc-shovel-moly-020-oversize-865-02018","title":"Hastings Mfg Moly Piston Ring .020\" Oversize - 1340cc Shovel Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen rebuilding a 1340cc Shovel engine, especially after boring, choosing the correct piston rings is paramount. These Hastings Mfg moly piston rings are designed for cylinders that have been bored .020\" oversize. Manufactured in the USA, they provide a reliable seal and excellent oil control for your classic V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits 1340cc Shovel engines with .020\" oversize bores\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable moly material for long-term performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil control ring design\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eUSA-manufactured for reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Hastings Mfg moly piston rings are an essential component for any 1340cc Shovel engine rebuild requiring a .020\" oversize bore. The moly composition enhances the ring's durability and wear characteristics, which is vital for maintaining consistent compression and oil control in a high-performance V-twin. Proper ring-to-wall clearance is critical for engine longevity and power output.\u003c\/p\u003e\u003ch3\u003ePrecision for Oversized Bores\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngineered for 1340cc Shovel engines bored to .020\" oversize\u003c\/li\u003e\n\u003cli\u003eMoly construction for extended lifespan and reduced friction\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring assembly for effective lubrication management\u003c\/li\u003e\n\u003cli\u003eMade in the USA for assured manufacturing quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRebuild with Confidence\u003c\/h3\u003e\u003cp\u003eA successful engine rebuild hinges on the quality of its internal components. These Hastings Mfg piston rings deliver the precision and durability needed for 1340cc Shovel engines running .020\" oversized pistons. They are designed to work in harmony with your bored cylinders, ensuring optimal combustion and preventing oil consumption. This attention to detail helps restore your Shovel to peak performance.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6127020\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538114154\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Application:\u003c\/strong\u003e 1340cc Shovel Head\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .020\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.23 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat does .020\" oversize mean for these rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis indicates the rings are sized for pistons that are .020 inches larger in diameter than the stock pistons, used when cylinders have been rebored during an engine rebuild.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete ring set for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis includes the three-piece oil ring assembly. You will need to confirm if separate compression rings are required to complete your piston's ring set.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill these rings fit a 1340cc Evolution engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, these rings are specifically designed for 1340cc Shovel Head engines. Evolution and Twin Cam engines utilize different piston ring specifications due to design differences.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring .020\\\" Oversize - 1340cc Shovel Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340cc-shovel-moly-020-oversize-865-02018\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does .020\\\" oversize mean for these rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This indicates the rings are sized for pistons that are .020 inches larger in diameter than the stock pistons, used when cylinders have been rebored during an engine rebuild.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete ring set for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This includes the three-piece oil ring assembly. You will need to confirm if separate compression rings are required to complete your piston's ring set.\"}},{\"@type\":\"Question\",\"name\":\"Will these rings fit a 1340cc Evolution engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, these rings are specifically designed for 1340cc Shovel Head engines. Evolution and Twin Cam engines utilize different piston ring specifications due to design differences.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810619503,"sku":"865-02018","price":91.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_87f80b04-6659-4ded-a7f0-cb48bad66aa9.png?v=1779563001"},{"product_id":"hastings-mfg-piston-ring-1340cc-shovel-moly-030-oversize-865-02019","title":"Hastings Mfg Moly Piston Ring .030\" Oversize - 1340cc Shovel Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eFor serious 1340cc Shovel engine rebuilds that demand a .030\" oversize bore, these Hastings Mfg piston rings deliver the performance and durability you need. Constructed with moly compression rings and a three-piece oil ring, they are designed to provide a reliable seal and superior oil control. Made in the USA, they're built for the long haul.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits 1340cc Shovel engines with .030\" oversize bores\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly compression rings for durability and seal\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEffective three-piece oil ring design\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Hastings Mfg piston rings are engineered specifically for 1340cc Shovel engines undergoing a rebuild with a .030\" oversize bore. The moly compression rings are key to their performance, offering enhanced wear resistance and a robust seal even under demanding conditions. Paired with the three-piece oil rings, this set ensures excellent oil control, preventing blowby and maintaining consistent engine performance as miles add up on your Harley-Davidson.\u003c\/p\u003e\u003ch3\u003eRobust Seal for Rebuilt Motors\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 1340cc Shovel engines with .030\" oversize bores\u003c\/li\u003e\n\u003cli\u003eMoly compression rings for superior wear resistance and seal\u003c\/li\u003e\n\u003cli\u003eThree-piece oil rings ensure effective oil management\u003c\/li\u003e\n\u003cli\u003eMade in the USA for quality you can trust\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCritical for High-Mileage Rebuilds\u003c\/h3\u003e\u003cp\u003eWhen you're putting significant work into a 1340cc Shovel rebuild, every component counts. These Hastings Mfg piston rings provide the foundation for strong compression and reduced oil consumption, vital for extending the life and performance of your classic V-twin. They are an ideal choice for riders looking to restore their Shovel to its original glory or even enhance its capabilities with a precise, oversized rebuild.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6127030\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538114161\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Displacement:\u003c\/strong\u003e 1340cc Shovel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e 0.030\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.23 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill these rings fit my Harley Shovel engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these rings are designed for 1340cc Shovel-head engines that are being rebuilt with .030\" oversize pistons. Always confirm your bore size before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the benefit of moly compression rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMoly (molybdenum) rings offer improved wear resistance, better heat transfer, and a more consistent ring seal compared to standard cast iron, leading to better compression and reduced blowby.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis set includes both the moly compression rings and the three-piece oil ring for one piston. Ensure you order the correct quantity for all pistons in your engine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring .030\\\" Oversize - 1340cc Shovel Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340cc-shovel-moly-030-oversize-865-02019\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will these rings fit my Harley Shovel engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these rings are designed for 1340cc Shovel-head engines that are being rebuilt with .030\\\" oversize pistons. Always confirm your bore size before ordering.\"}},{\"@type\":\"Question\",\"name\":\"What is the benefit of moly compression rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Moly (molybdenum) rings offer improved wear resistance, better heat transfer, and a more consistent ring seal compared to standard cast iron, leading to better compression and reduced blowby.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This set includes both the moly compression rings and the three-piece oil ring for one piston. Ensure you order the correct quantity for all pistons in your engine.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810652271,"sku":"865-02019","price":91.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_67329129-2d33-4635-9177-f9ffb884b366.png?v=1779563285"},{"product_id":"hastings-mfg-piston-ring-1340cc-shovel-moly-040-oversize-865-02020","title":"Hastings Mfg Moly Piston Ring .040\" Oversize - 1340cc Shovel Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen your 1340cc Shovel engine demands a significant bore, these Hastings Mfg moly piston rings are the solution for .040\" oversize cylinders. Featuring moly-faced compression rings and a three-piece oil ring design, they are built to withstand the rigors of a rebuilt V-twin. Made in the USA, these rings provide a durable and effective seal.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits 1340cc Shovel engines with .040\" oversize bores\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-faced compression rings for durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring for effective control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Hastings Mfg piston rings are specifically engineered for 1340cc Shovel engines that have undergone a .040\" oversize bore during a rebuild. The moly-faced compression rings are a key feature, providing exceptional durability and a consistent seal even in demanding operating conditions. Coupled with the robust three-piece oil ring design, this set ensures optimal oil control and sustained compression, essential for the longevity and performance of your Harley-Davidson or Indian Motorcycle V-twin.\u003c\/p\u003e\u003ch3\u003eDurable Seal for Big Bores\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 1340cc Shovel engines requiring .040\" oversize rings\u003c\/li\u003e\n\u003cli\u003eMoly-faced compression rings for enhanced durability and sealing\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli\u003eMade in the USA for reliable quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRebuild for Peak Performance\u003c\/h3\u003e\u003cp\u003eA successful engine rebuild, especially one involving a .040\" oversize bore, relies on high-quality internal components. These Hastings Mfg piston rings are critical for establishing and maintaining proper compression and oil management in your 1340cc Shovel. They help prevent blowby and ensure your engine delivers consistent power, whether you're cruising or pushing your V-twin hard. Always verify your current bore size to ensure perfect fitment.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6127040\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538114178\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Size:\u003c\/strong\u003e 1340cc Shovel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .040\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.23 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat does .040\" oversize mean for these rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThese rings are sized for pistons that are .040 inches larger in diameter than stock, intended for cylinders that have been rebored to this specification during an engine rebuild.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eAre these compression rings or oil rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is a complete piston ring set, including moly-faced compression rings and a three-piece oil ring assembly for comprehensive sealing and oil control.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill these fit Indian Motorcycle 1340cc Shovel engines?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThese rings are designed for 1340cc Shovel V-twin engines. Confirm your specific engine displacement and bore size, as fitment depends on these critical measurements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring .040\\\" Oversize - 1340cc Shovel Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340cc-shovel-moly-040-oversize-865-02020\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does .040\\\" oversize mean for these rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These rings are sized for pistons that are .040 inches larger in diameter than stock, intended for cylinders that have been rebored to this specification during an engine rebuild.\"}},{\"@type\":\"Question\",\"name\":\"Are these compression rings or oil rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is a complete piston ring set, including moly-faced compression rings and a three-piece oil ring assembly for comprehensive sealing and oil control.\"}},{\"@type\":\"Question\",\"name\":\"Will these fit Indian Motorcycle 1340cc Shovel engines?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These rings are designed for 1340cc Shovel V-twin engines. Confirm your specific engine displacement and bore size, as fitment depends on these critical measurements.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810685039,"sku":"865-02020","price":91.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_315dc2ab-b770-4514-9cf0-75178a5768f9.png?v=1779563768"},{"product_id":"hastings-mfg-piston-ring-1340cc-shovel-cast-std-size-865-02021","title":"Hastings Mfg Cast Piston Ring Standard Size - 1340cc Shovel Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eFor 1340cc Shovel V-twin engines running standard-sized pistons, these Hastings Mfg cast piston rings are the ideal choice for a rebuild. Featuring a three-piece oil ring design and manufactured in the USA, they provide the reliable compression and oil control needed to get your classic Harley-Davidson back in top form.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits 1340cc Shovel engines with standard bores\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable cast construction\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Hastings Mfg piston rings are designed for 1340cc Shovel engines that are running standard-sized pistons and bores. When your classic V-twin needs a refresh without an oversize bore, these rings provide the essential sealing for optimal compression and efficient oil management. The robust three-piece oil ring design, a hallmark of Hastings Mfg quality, ensures consistent lubrication and minimizes oil consumption, contributing to the longevity of your motor. Made in the USA, these rings meet the demanding standards of performance V-twin riders.\u003c\/p\u003e\u003ch3\u003eReliable Seal for Stock Bores\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 1340cc Shovel engines with standard bore size\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for effective oil control\u003c\/li\u003e\n\u003cli\u003eCast construction for dependable performance\u003c\/li\u003e\n\u003cli\u003eMade in the USA for consistent quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Standard Rebuilds\u003c\/h3\u003e\u003cp\u003eWhether you're doing a top-end refresh or a full engine rebuild, using the correct piston rings for your bore size is non-negotiable. These Hastings Mfg standard-size rings are perfect for 1340cc Shovel engines that retain their original bore dimensions. They are a crucial component in restoring your engine's compression and ensuring it runs smoothly and powerfully, just as it was designed to.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6127\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538113973\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.25 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete ring set for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is an individual three-piece oil ring. You will need to confirm if separate compression rings are required to complete your piston's ring set.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this ring fit my 1340cc Shovel engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this ring is sized for 1340cc Shovel engines with standard bore and piston dimensions. Always verify your specific engine displacement and piston bore before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this ring compatible with Indian Motorcycle engines?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for 1340cc Shovel V-twin engines. While some Indian models may share similar specs, it's crucial to confirm the exact engine displacement and bore size for proper fitment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Cast Piston Ring Standard Size - 1340cc Shovel Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340cc-shovel-cast-std-size-865-02021\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is this a complete ring set for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is an individual three-piece oil ring. You will need to confirm if separate compression rings are required to complete your piston's ring set.\"}},{\"@type\":\"Question\",\"name\":\"Will this ring fit my 1340cc Shovel engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this ring is sized for 1340cc Shovel engines with standard bore and piston dimensions. Always verify your specific engine displacement and piston bore before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Is this ring compatible with Indian Motorcycle engines?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for 1340cc Shovel V-twin engines. While some Indian models may share similar specs, it's crucial to confirm the exact engine displacement and bore size for proper fitment.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810717807,"sku":"865-02021","price":68.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_069ca825-1bb3-46f5-9b31-d687842d97db.png?v=1779563001"},{"product_id":"hastings-mfg-piston-ring-1340cc-shovel-cast-010-oversize-865-02022","title":"Hastings Mfg Cast Piston Ring .010\" Oversize - 1340cc Shovel Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen your 1340cc Shovel engine requires a .010\" oversize bore, these Hastings Mfg cast piston rings provide the precision and durability needed for a solid rebuild. Made in the USA with a three-piece oil ring design, they deliver reliable compression and effective oil control for your classic V-twin motor. Trust Hastings Mfg for quality components.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits 1340cc Shovel engines with .010\" oversize bores\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring for effective oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable cast construction\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Hastings Mfg piston rings are specifically designed for 1340cc Shovel engines that have been bored .010\" oversize. Critical for maintaining optimal compression and preventing oil consumption in a rebuilt motor, these cast rings offer dependable performance. The integrated three-piece oil ring design ensures effective lubrication management, which is vital for the longevity and consistent power delivery of your Harley-Davidson. Manufactured in the USA, these rings uphold the high standards expected by V-twin riders.\u003c\/p\u003e\u003ch3\u003ePrecise Fit for Bored Cylinders\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 1340cc Shovel engines with .010\" oversize bores\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli\u003eDurable cast construction for reliable sealing\u003c\/li\u003e\n\u003cli\u003eMade in the USA for quality assurance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFoundational for Rebuild Success\u003c\/h3\u003e\u003cp\u003eA successful engine rebuild hinges on the quality and precision of its internal components. These Hastings Mfg .010\" oversize piston rings are essential for any 1340cc Shovel engine undergoing a bore and hone procedure. They ensure that your newly machined cylinders achieve the proper ring-to-wall seal, leading to restored compression, reduced blowby, and a more powerful, efficient engine. Always confirm your bore size before ordering to ensure correct fitment.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6127010\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538113980\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Displacement:\u003c\/strong\u003e 1340cc Shovel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .010\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.25 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engine does this piston ring fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis piston ring is specifically for 1340cc Shovelhead engines that have been bored .010\" oversize. It will not fit standard bores or other engine displacements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete ring set or individual rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is a single piston ring. You will need to verify the quantity needed for your rebuild, as typically multiple rings are required per piston.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eDo I need to use oversize rings if my engine was bored?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, if your cylinders were bored .010\" oversize, you must use piston rings sized to match that bore dimension for proper ring-to-wall clearance and optimal engine performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Cast Piston Ring .010\\\" Oversize - 1340cc Shovel Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340cc-shovel-cast-010-oversize-865-02022\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine does this piston ring fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This piston ring is specifically for 1340cc Shovelhead engines that have been bored .010\\\" oversize. It will not fit standard bores or other engine displacements.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete ring set or individual rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is a single piston ring. You will need to verify the quantity needed for your rebuild, as typically multiple rings are required per piston.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to use oversize rings if my engine was bored?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, if your cylinders were bored .010\\\" oversize, you must use piston rings sized to match that bore dimension for proper ring-to-wall clearance and optimal engine performance.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810750575,"sku":"865-02022","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_8d540f6a-9694-40ce-91d9-6b1490d09de5.png?v=1779563162"},{"product_id":"hastings-mfg-piston-ring-1340cc-shovel-cast-020-oversize-865-02023","title":"Hastings Mfg Cast Piston Ring .020\" Oversize - 1340cc Shovelhead Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen rebuilding a 1340cc Shovelhead, precise components are critical for restoring compression and oil control. This Hastings Mfg cast piston ring is engineered for engines bored .020\" oversize, offering a reliable solution for your performance build. Made in the USA, it brings trusted quality to your V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrecision fit for 1340cc Shovelhead .020\" oversize bores\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for optimal oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable cast construction for long-lasting performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA with trusted manufacturing quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Hastings Mfg piston ring is specifically designed for 1340cc Shovelhead engines that have been bored .020\" larger than stock. It's a key component for builders looking to refresh a worn engine or dial in a performance-oriented stroker setup. The three-piece oil ring design is a hallmark of Hastings quality, ensuring effective oil management and reducing blow-by.\u003c\/p\u003e\u003ch3\u003eEngineered for Rebuilt Shovelheads\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 1340cc Shovelhead engines with a .020\" overbore\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring construction for superior sealing\u003c\/li\u003e\n\u003cli\u003eCast material for durability and proven performance\u003c\/li\u003e\n\u003cli\u003eMade in the USA by a trusted name in engine components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Strong Rebuild\u003c\/h3\u003e\u003cp\u003eSelecting the correct piston ring size is non-negotiable for a successful engine rebuild. This .020\" oversize ring provides the necessary fit for cylinders that have been machined to accommodate larger pistons, ensuring optimal compression and longevity. Pair these with other quality components for a Shovelhead that runs strong for miles to come.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6127020\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538113997\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Displacement:\u003c\/strong\u003e 1340cc Shovel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e .020\" oversize\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.25 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat does \".020\\\" oversize\" mean for this piston ring?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for 1340cc Shovelhead engine cylinders that have been bored .020\" (twenty thousandths of an inch) larger than their original stock diameter. It will not fit stock bore or other oversize specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of rings for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. Engine rebuilds typically require multiple rings per piston (compression and oil rings). Please confirm the exact quantity and type needed for your specific build before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this ring fit other Harley-Davidson engine displacements?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this specific ring is engineered for 1340cc Shovelhead engines only. Using it on a different displacement, such as a 1200cc Shovelhead or a Milwaukee-Eight, will result in improper fit and engine damage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Cast Piston Ring .020\\\" Oversize - 1340cc Shovelhead Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340cc-shovel-cast-020-oversize-865-02023\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does \\\".020\\\\\\\" oversize\\\" mean for this piston ring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for 1340cc Shovelhead engine cylinders that have been bored .020\\\" (twenty thousandths of an inch) larger than their original stock diameter. It will not fit stock bore or other oversize specifications.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of rings for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. Engine rebuilds typically require multiple rings per piston (compression and oil rings). Please confirm the exact quantity and type needed for your specific build before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Will this ring fit other Harley-Davidson engine displacements?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this specific ring is engineered for 1340cc Shovelhead engines only. Using it on a different displacement, such as a 1200cc Shovelhead or a Milwaukee-Eight, will result in improper fit and engine damage.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810816111,"sku":"865-02023","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_97c414a6-1b25-4bff-a905-9a42a3bca4cd.png?v=1779563292"},{"product_id":"hastings-mfg-piston-ring-1340cc-shovel-cast-030-oversize-865-02024","title":"Hastings Mfg Cast Piston Ring .030\" Oversize - 1340cc Shovelhead Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen rebuilding a 1340cc Shovelhead, precise components are critical for restoring compression and oil control. This Hastings Mfg cast piston ring is engineered for engines bored .030\" oversize, offering a reliable solution for your performance build. Made in the USA, it brings trusted quality to your V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrecision fit for 1340cc Shovelhead .030\" oversize bores\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for optimal oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable cast construction for long-lasting performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA with trusted manufacturing quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Hastings Mfg piston ring is specifically designed for 1340cc Shovelhead engines that have been bored .030\" larger than stock. It's a key component for builders looking to refresh a worn engine or dial in a performance-oriented stroker setup. The three-piece oil ring design is a hallmark of Hastings quality, ensuring effective oil management and reducing blow-by.\u003c\/p\u003e\u003ch3\u003eEngineered for Rebuilt Shovelheads\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 1340cc Shovelhead engines with a .030\" overbore\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring construction for superior sealing\u003c\/li\u003e\n\u003cli\u003eCast material for durability and proven performance\u003c\/li\u003e\n\u003cli\u003eMade in the USA by a trusted name in engine components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Strong Rebuild\u003c\/h3\u003e\u003cp\u003eSelecting the correct piston ring size is non-negotiable for a successful engine rebuild. This .030\" oversize ring provides the necessary fit for cylinders that have been machined to accommodate larger pistons, ensuring optimal compression and longevity. Pair these with other quality components for a Shovelhead that runs strong for miles to come.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6127030\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538114000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Displacement:\u003c\/strong\u003e 1340cc Shovel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .030\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.25 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat does \".030\\\" oversize\" mean for this piston ring?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for 1340cc Shovelhead engine cylinders that have been bored .030\" (thirty thousandths of an inch) larger than their original stock diameter. It will not fit stock bore or other oversize specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of rings for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. Engine rebuilds typically require multiple rings per piston (compression and oil rings). Please confirm the exact quantity and type needed for your specific build before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this ring fit other Harley-Davidson engine displacements?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this specific ring is engineered for 1340cc Shovelhead engines only. Using it on a different displacement, such as a 1200cc Shovelhead or a Milwaukee-Eight, will result in improper fit and engine damage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Cast Piston Ring .030\\\" Oversize - 1340cc Shovelhead Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1340cc-shovel-cast-030-oversize-865-02024\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does \\\".030\\\\\\\" oversize\\\" mean for this piston ring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for 1340cc Shovelhead engine cylinders that have been bored .030\\\" (thirty thousandths of an inch) larger than their original stock diameter. It will not fit stock bore or other oversize specifications.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of rings for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. Engine rebuilds typically require multiple rings per piston (compression and oil rings). Please confirm the exact quantity and type needed for your specific build before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Will this ring fit other Harley-Davidson engine displacements?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this specific ring is engineered for 1340cc Shovelhead engines only. Using it on a different displacement, such as a 1200cc Shovelhead or a Milwaukee-Eight, will result in improper fit and engine damage.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810848879,"sku":"865-02024","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_afd19430-ac9c-4e04-915d-fa1f6b264589.png?v=1779563113"},{"product_id":"hastings-mfg-piston-ring-1200cc-shovel-moly-std-size-865-02026","title":"Hastings Mfg Moly Piston Ring STD Size - 1200cc Shovelhead Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen it's time for a 1200cc Shovelhead refresh, proper ring seal is crucial for peak performance. This Hastings Mfg piston ring delivers, featuring a moly-enhanced compression ring and a three-piece oil ring design. Engineered for standard (STD) bore applications, it ensures your classic V-twin maintains optimal compression and oil control.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eStandard (STD) bore size for 1200cc Shovelhead engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-enhanced compression ring for durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for reliable V-twin performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Hastings Mfg piston ring is specifically designed for 1200cc Shovelhead engines with a standard bore. The moly-enhanced compression ring reduces friction and wear, promoting better sealing and extending the life of your cylinder walls. Combined with the reliable three-piece oil ring, this component helps maintain consistent compression and minimizes oil consumption in your V-twin.\u003c\/p\u003e\u003ch3\u003eOptimized for Stock Shovelhead Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStandard (STD) bore size for original equipment cylinders\u003c\/li\u003e\n\u003cli\u003eMoly-enhanced compression ring for reduced friction and wear\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for effective oil control\u003c\/li\u003e\n\u003cli\u003eMade in the USA with Hastings' renowned manufacturing quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Strong Rebuild\u003c\/h3\u003e\u003cp\u003eChoosing the correct piston ring for your engine's bore is critical for a successful rebuild. This standard-size ring is ideal for 1200cc Shovelheads that have not been bored oversize. It's a direct replacement that helps restore factory compression and oil management, vital for the longevity and performance of your classic Harley-Davidson motor. Ensure your cylinders are properly honed for optimal ring seating.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6482\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538084273\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 1200cc Shovelhead\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRing Size:\u003c\/strong\u003e Standard (STD)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.22 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this piston ring fit my 1200cc Shovelhead engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, if your 1200cc Shovelhead engine has a standard (STD) bore size. If your cylinders have been bored oversize, you will need a different ring set to ensure proper fit and function.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of rings for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. A complete ring set typically includes multiple rings per piston (compression and oil rings). Please confirm the exact quantity and type needed for your specific build before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the benefit of a moly-enhanced compression ring?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMoly (molybdenum) facing on the compression ring helps reduce friction against the cylinder wall, improves heat transfer, and enhances durability, leading to better sealing and extended engine life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring STD Size - 1200cc Shovelhead Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1200cc-shovel-moly-std-size-865-02026\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this piston ring fit my 1200cc Shovelhead engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, if your 1200cc Shovelhead engine has a standard (STD) bore size. If your cylinders have been bored oversize, you will need a different ring set to ensure proper fit and function.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of rings for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. A complete ring set typically includes multiple rings per piston (compression and oil rings). Please confirm the exact quantity and type needed for your specific build before ordering.\"}},{\"@type\":\"Question\",\"name\":\"What is the benefit of a moly-enhanced compression ring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Moly (molybdenum) facing on the compression ring helps reduce friction against the cylinder wall, improves heat transfer, and enhances durability, leading to better sealing and extended engine life.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810881647,"sku":"865-02026","price":92.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_92a69197-b4e3-43fa-ae17-fc90cfe98fdc.png?v=1779563003"},{"product_id":"hastings-mfg-piston-ring-1200cc-shovel-moly-010-oversize-865-02027","title":"Hastings Mfg Moly Piston Ring .010\" Oversize - 1200cc Shovelhead Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen rebuilding a 1200cc Shovelhead, precise components are critical for restoring compression and oil control. This Hastings Mfg piston ring is engineered for engines bored .010\" oversize, featuring moly coating for reduced friction and extended life. Made in the USA, it brings trusted quality to your V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrecision fit for 1200cc Shovelhead .010\" oversize bores\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly coating reduces friction and extends ring life\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for optimal oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for reliable V-twin performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Hastings Mfg piston ring is specifically designed for 1200cc Shovelhead engines that have been bored .010\" larger than stock. It's a key component for builders looking to refresh a worn engine or dial in a performance-oriented setup. The moly coating on the compression ring reduces friction and wear, promoting better sealing and extending the life of your cylinder walls.\u003c\/p\u003e\u003ch3\u003eEngineered for Rebuilt Shovelheads\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 1200cc Shovelhead engines with a .010\" overbore\u003c\/li\u003e\n\u003cli\u003eMoly coating reduces friction and enhances durability\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior sealing and oil control\u003c\/li\u003e\n\u003cli\u003eMade in the USA with Hastings' renowned manufacturing quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Strong Rebuild\u003c\/h3\u003e\u003cp\u003eSelecting the correct piston ring size is non-negotiable for a successful engine rebuild. This .010\" oversize ring provides the necessary fit for cylinders that have been machined to accommodate larger pistons, ensuring optimal compression and longevity. Pair these with other quality components for a Shovelhead that runs strong for miles to come. Proper cylinder honing is essential for optimal ring seating.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6482010\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538084280\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.22 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat does \".010\\\" oversize\" mean for this piston ring?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for 1200cc Shovelhead engine cylinders that have been bored .010\" (ten thousandths of an inch) larger than their original stock diameter. It will not fit stock bore or other oversize specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of rings for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. Engine rebuilds typically require multiple rings per piston (compression and oil rings). Please confirm the exact quantity and type needed for your specific build before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this ring fit other Harley-Davidson engine displacements?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this specific ring is engineered for 1200cc Shovelhead engines only. Using it on a different displacement, such as a 1340cc Shovelhead or a Milwaukee-Eight, will result in improper fit and engine damage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring .010\\\" Oversize - 1200cc Shovelhead Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1200cc-shovel-moly-010-oversize-865-02027\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does \\\".010\\\\\\\" oversize\\\" mean for this piston ring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for 1200cc Shovelhead engine cylinders that have been bored .010\\\" (ten thousandths of an inch) larger than their original stock diameter. It will not fit stock bore or other oversize specifications.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of rings for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. Engine rebuilds typically require multiple rings per piston (compression and oil rings). Please confirm the exact quantity and type needed for your specific build before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Will this ring fit other Harley-Davidson engine displacements?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this specific ring is engineered for 1200cc Shovelhead engines only. Using it on a different displacement, such as a 1340cc Shovelhead or a Milwaukee-Eight, will result in improper fit and engine damage.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810947183,"sku":"865-02027","price":92.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_f788e4ab-fe35-4d66-995d-532b03b9e9e2.png?v=1779563110"},{"product_id":"hastings-mfg-piston-ring-1200cc-shovel-moly-020-oversize-865-02028","title":"Hastings Mfg Moly Piston Ring .020\" Oversize - 1200cc Shovelhead Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen rebuilding a 1200cc Shovelhead, precise components are critical for restoring compression and oil control. This Hastings Mfg moly piston ring is engineered for engines bored .020\" oversize, offering a reliable solution for your performance build. Made in the USA, it brings trusted quality to your V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrecision fit for 1200cc Shovelhead .020\" oversize bores\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly coating reduces friction and extends ring life\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for optimal oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for reliable V-twin performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Hastings Mfg piston ring is specifically designed for 1200cc Shovelhead engines that have been bored .020\" larger than stock. It's a key component for builders looking to refresh a worn engine or dial in a performance-oriented setup. The moly coating on the compression ring reduces friction and wear, promoting better sealing and extending the life of your cylinder walls.\u003c\/p\u003e\u003ch3\u003eEngineered for Rebuilt Shovelheads\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 1200cc Shovelhead engines with a .020\" overbore\u003c\/li\u003e\n\u003cli\u003eMoly coating reduces friction and enhances durability\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior sealing and oil control\u003c\/li\u003e\n\u003cli\u003eMade in the USA with Hastings' renowned manufacturing quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Strong Rebuild\u003c\/h3\u003e\u003cp\u003eSelecting the correct piston ring size is non-negotiable for a successful engine rebuild. This .020\" oversize ring provides the necessary fit for cylinders that have been machined to accommodate larger pistons, ensuring optimal compression and longevity. Pair these with other quality components for a Shovelhead that runs strong for miles to come. Proper cylinder honing is essential for optimal ring seating.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6482020\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538084297\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 1200cc Shovel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e .020\" oversize\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.23 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat does \".020\\\" oversize\" mean for this piston ring?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for 1200cc Shovelhead engine cylinders that have been bored .020\" (twenty thousandths of an inch) larger than their original stock diameter. It will not fit stock bore or other oversize specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of rings for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. Engine rebuilds typically require multiple rings per piston (compression and oil rings). Please confirm the exact quantity and type needed for your specific build before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this ring fit other Harley-Davidson engine displacements?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this specific ring is engineered for 1200cc Shovelhead engines only. Using it on a different displacement, such as a 1340cc Shovelhead or a Milwaukee-Eight, will result in improper fit and engine damage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring .020\\\" Oversize - 1200cc Shovelhead Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1200cc-shovel-moly-020-oversize-865-02028\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does \\\".020\\\\\\\" oversize\\\" mean for this piston ring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for 1200cc Shovelhead engine cylinders that have been bored .020\\\" (twenty thousandths of an inch) larger than their original stock diameter. It will not fit stock bore or other oversize specifications.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of rings for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. Engine rebuilds typically require multiple rings per piston (compression and oil rings). Please confirm the exact quantity and type needed for your specific build before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Will this ring fit other Harley-Davidson engine displacements?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this specific ring is engineered for 1200cc Shovelhead engines only. Using it on a different displacement, such as a 1340cc Shovelhead or a Milwaukee-Eight, will result in improper fit and engine damage.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035810979951,"sku":"865-02028","price":92.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_4ba34f46-2173-4a11-9844-ad0dd76d9ac2.png?v=1779562986"},{"product_id":"hastings-mfg-piston-ring-1200cc-shovel-moly-030-oversize-865-02029","title":"Hastings Mfg Moly Piston Ring .030\" Oversize - 1200cc Shovelhead Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen rebuilding a 1200cc Shovelhead, precise components are critical for restoring compression and oil control. This Hastings Mfg moly piston ring is engineered for engines bored .030\" oversize, offering a reliable solution for your performance build. Made in the USA, it brings trusted quality to your V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrecision fit for 1200cc Shovelhead .030\" oversize bores\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-faced compression ring for durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for optimal oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for reliable V-twin performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Hastings Mfg piston ring is specifically designed for 1200cc Shovelhead engines that have been bored .030\" larger than stock. It's a key component for builders looking to refresh a worn engine or dial in a performance-oriented setup. The moly coating on the compression ring reduces friction and wear, promoting better sealing and extending the life of your cylinder walls.\u003c\/p\u003e\u003ch3\u003eEngineered for Rebuilt Shovelheads\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 1200cc Shovelhead engines with a .030\" overbore\u003c\/li\u003e\n\u003cli\u003eMoly-faced compression ring for enhanced durability and heat resistance\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior sealing and oil control\u003c\/li\u003e\n\u003cli\u003eMade in the USA with Hastings' renowned manufacturing quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Strong Rebuild\u003c\/h3\u003e\u003cp\u003eSelecting the correct piston ring size is non-negotiable for a successful engine rebuild. This .030\" oversize ring provides the necessary fit for cylinders that have been machined to accommodate larger pistons, ensuring optimal compression and longevity. Pair these with other quality components for a Shovelhead that runs strong for miles to come. Proper cylinder honing is essential for optimal ring seating.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6482030\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538084303\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e 1200cc Shovel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .030\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Moly facing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.22 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat does \".030\\\" oversize\" mean for this piston ring?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for 1200cc Shovelhead engine cylinders that have been bored .030\" (thirty thousandths of an inch) larger than their original stock diameter. It will not fit stock bore or other oversize specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of rings for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. Engine rebuilds typically require multiple rings per piston (compression and oil rings). Please confirm the exact quantity and type needed for your specific build before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this ring fit other Harley-Davidson engine displacements?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this specific ring is engineered for 1200cc Shovelhead engines only. Using it on a different displacement, such as a 1340cc Shovelhead or a Milwaukee-Eight, will result in improper fit and engine damage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring .030\\\" Oversize - 1200cc Shovelhead Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1200cc-shovel-moly-030-oversize-865-02029\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does \\\".030\\\\\\\" oversize\\\" mean for this piston ring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for 1200cc Shovelhead engine cylinders that have been bored .030\\\" (thirty thousandths of an inch) larger than their original stock diameter. It will not fit stock bore or other oversize specifications.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of rings for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. Engine rebuilds typically require multiple rings per piston (compression and oil rings). Please confirm the exact quantity and type needed for your specific build before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Will this ring fit other Harley-Davidson engine displacements?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this specific ring is engineered for 1200cc Shovelhead engines only. Using it on a different displacement, such as a 1340cc Shovelhead or a Milwaukee-Eight, will result in improper fit and engine damage.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035811012719,"sku":"865-02029","price":92.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_220bb604-b6f3-410d-bf81-99f88c00fdb0.png?v=1779562988"},{"product_id":"hastings-mfg-piston-ring-1200cc-shovel-moly-040-oversize-865-02030","title":"Hastings Mfg Moly Piston Ring .040\" Oversize - 1200cc Shovel Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen you're rebuilding a 1200cc Shovelhead, precision components make all the difference. This Hastings Mfg piston ring is engineered for engines running .040\" oversize pistons, providing a critical seal for optimal performance.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly coating reduces friction and enhances wear resistance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrecision sized for .040\" oversize 1200cc Shovelhead pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for trusted quality and fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Hastings Mfg moly piston ring is specifically designed for 1200cc Shovelhead engines that have been bored out to .040\" oversize. The moly coating is a key feature, engineered to reduce friction and enhance wear resistance, which is crucial for the longevity and efficiency of your classic V-twin. Manufactured in the USA, this ring reflects a commitment to quality that Shovelhead builders demand.\u003c\/p\u003e\u003ch3\u003eEngineered for Durability and Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly coating for reduced friction and extended wear resistance\u003c\/li\u003e\n\u003cli\u003eDesigned for .040\" oversize 1200cc Shovelhead pistons\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design ensures reliable oil control\u003c\/li\u003e\n\u003cli\u003eProudly manufactured in the USA for dependable quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRebuild with Confidence\u003c\/h3\u003e\u003cp\u003eChoosing the right internal components is vital for any engine rebuild. This Hastings Mfg piston ring provides the necessary precision for a .040\" oversize 1200cc Shovelhead, helping to restore compression and ensure proper oil management. Pair it with other high-quality engine components for a rebuild that stands the test of time and miles.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M6482040\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538084310\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .040\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 1200cc Shovel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.22 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engine displacement is this piston ring for?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis Hastings Mfg piston ring is specifically for 1200cc Shovelhead engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat does the .040\" oversize mean for fitment?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is designed for cylinders that have been bored out to .040\" larger than the stock diameter. It will not fit standard bore or other oversize pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of piston rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. For a complete engine rebuild, you will need to order the appropriate quantity and types of rings for your pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Ring .040\\\" Oversize - 1200cc Shovel Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1200cc-shovel-moly-040-oversize-865-02030\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine displacement is this piston ring for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This Hastings Mfg piston ring is specifically for 1200cc Shovelhead engines.\"}},{\"@type\":\"Question\",\"name\":\"What does the .040\\\" oversize mean for fitment?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is designed for cylinders that have been bored out to .040\\\" larger than the stock diameter. It will not fit standard bore or other oversize pistons.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of piston rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. For a complete engine rebuild, you will need to order the appropriate quantity and types of rings for your pistons.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035811045487,"sku":"865-02030","price":92.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_95ea0228-cc7c-4c62-9a9a-22feb27813f4.png?v=1779563846"},{"product_id":"hastings-mfg-piston-ring-1200cc-shovel-cast-std-size-865-02031","title":"Hastings Mfg Cast Piston Ring Standard Size - 1200cc Shovel Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eFor a faithful rebuild of your 1200cc Shovelhead engine, precise components are essential. This Hastings Mfg piston ring is designed for standard bore applications, ensuring original factory specifications are met.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eStandard bore size for 1200cc Shovelhead engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for consistent performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable cast construction for longevity\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eManufactured in the USA for quality assurance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Hastings Mfg cast piston ring is engineered for 1200cc Shovelhead engines at their standard bore size. Crucial for maintaining proper compression and oil control, this ring is a direct replacement for stock specifications. Manufactured in the USA, it provides the quality and reliability expected for a classic Harley-Davidson V-twin rebuild.\u003c\/p\u003e\u003ch3\u003eReliable Compression and Oil Control\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStandard bore sizing for 1200cc Shovelhead engines\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for effective sealing\u003c\/li\u003e\n\u003cli\u003eCast construction for durability and consistent performance\u003c\/li\u003e\n\u003cli\u003eMade in the USA, ensuring manufacturing integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Shovelhead Rebuilds\u003c\/h3\u003e\u003cp\u003eWhen performing a top-end refresh or full engine rebuild on a 1200cc Shovelhead, using components that match original specifications is key. This Hastings Mfg standard size piston ring helps restore your engine's efficiency and longevity. It's an ideal choice for riders looking to keep their classic V-twin running strong with components they can trust.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6482\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538084099\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5 in L × 5 in W × 1 in H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.22 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engine does this piston ring fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis Hastings Mfg piston ring is designed for 1200cc Shovelhead engines at standard bore size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of rings for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. A full rebuild typically requires multiple rings per piston; please confirm your specific engine requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this product made in the USA?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, Hastings Mfg proudly manufactures this piston ring in the USA.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Cast Piston Ring Standard Size - 1200cc Shovel Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1200cc-shovel-cast-std-size-865-02031\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine does this piston ring fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This Hastings Mfg piston ring is designed for 1200cc Shovelhead engines at standard bore size.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of rings for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. A full rebuild typically requires multiple rings per piston; please confirm your specific engine requirements.\"}},{\"@type\":\"Question\",\"name\":\"Is this product made in the USA?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, Hastings Mfg proudly manufactures this piston ring in the USA.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035811111023,"sku":"865-02031","price":65.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_293ac216-cef9-41a9-bd65-be3b1c5f29d7.png?v=1779562992"},{"product_id":"hastings-mfg-piston-ring-1200cc-shovel-cast-010-oversize-865-02032","title":"Hastings Mfg Cast Piston Ring .010\" Oversize - 1200cc Shovel Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen rebuilding a 1200cc Shovelhead engine with a slightly bored cylinder, a precise fit is paramount. This Hastings Mfg piston ring is specifically engineered for .010\" oversize applications, ensuring optimal compression and oil control.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrecisely sized for .010\" oversize 1200cc Shovelhead pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design optimizes oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable cast material for consistent engine performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eUSA-made quality for reliable engine rebuilds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Hastings Mfg cast piston ring is tailored for 1200cc Shovelhead engines that have undergone a .010\" oversize bore. Its three-piece oil ring design is critical for maintaining proper ring seal and preventing oil consumption, which are common concerns in vintage V-twin engines. Manufactured in the USA, this component provides the quality and exact sizing needed for a successful engine refresh.\u003c\/p\u003e\u003ch3\u003ePrecision Sizing for Bored Cylinders\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngineered for 1200cc Shovelhead engines with .010\" oversize pistons\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for effective sealing and oil control\u003c\/li\u003e\n\u003cli\u003eDurable cast construction for lasting performance\u003c\/li\u003e\n\u003cli\u003eMade in the USA, ensuring high-quality manufacturing standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRestore Your Shovelhead's Performance\u003c\/h3\u003e\u003cp\u003eFor any Shovelhead engine rebuild requiring a .010\" oversize, this Hastings Mfg piston ring is an essential component. It helps to restore the engine's original power and efficiency by ensuring a proper seal within the cylinder. Investing in accurately sized, quality parts like this ring means a more reliable and enjoyable ride for your Harley-Davidson V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6482010\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538084105\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.22 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat does .010\" oversize mean for this piston ring?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis ring is sized .010 inches larger than a standard bore ring, designed to fit pistons in 1200cc Shovelhead cylinders that have been bored out to that specification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of rings for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is an individual three-piece oil ring. You will need to confirm the complete ring set required for your engine rebuild.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this fit an 883cc or 1340cc Shovelhead engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this piston ring is specifically designed for 1200cc Shovelhead engines. Please verify your engine's displacement before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Cast Piston Ring .010\\\" Oversize - 1200cc Shovel Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1200cc-shovel-cast-010-oversize-865-02032\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does .010\\\" oversize mean for this piston ring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This ring is sized .010 inches larger than a standard bore ring, designed to fit pistons in 1200cc Shovelhead cylinders that have been bored out to that specification.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of rings for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is an individual three-piece oil ring. You will need to confirm the complete ring set required for your engine rebuild.\"}},{\"@type\":\"Question\",\"name\":\"Will this fit an 883cc or 1340cc Shovelhead engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this piston ring is specifically designed for 1200cc Shovelhead engines. Please verify your engine's displacement before ordering.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035811143791,"sku":"865-02032","price":65.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_10f80922-c4f8-47de-ad00-fe5e9a8dd250.png?v=1779563166"},{"product_id":"hastings-mfg-piston-ring-1200cc-shovel-cast-020-oversize-865-02033","title":"Hastings Mfg Cast Piston Ring .020\" Oversize - 1200cc Shovel Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen your 1200cc Shovelhead engine requires a .020\" oversize bore, this Hastings Mfg piston ring delivers the precise fitment and performance you need. It's a critical component for restoring compression and ensuring proper oil control.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrecision sized for .020\" oversize 1200cc Shovelhead pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for effective oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable cast construction for reliable engine performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for trusted quality and fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Hastings Mfg cast piston ring is specifically designed for 1200cc Shovelhead engines that have been bored out to .020\" oversize. Featuring a three-piece oil ring design, it ensures reliable sealing and prevents excessive oil consumption, which is vital for the health and performance of your V-twin. Manufactured in the USA, this ring upholds the quality standards necessary for a durable engine rebuild.\u003c\/p\u003e\u003ch3\u003eOptimized for Rebuilt Shovelhead Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSized .020\" oversize for precise fitment in bored cylinders\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil control and sealing\u003c\/li\u003e\n\u003cli\u003eDurable cast construction for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eMade in the USA to meet high-quality manufacturing standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCrucial for Performance and Longevity\u003c\/h3\u003e\u003cp\u003eFor any 1200cc Shovelhead rebuild involving a .020\" overbore, selecting the correct piston rings is paramount. This Hastings Mfg ring offers the accuracy and reliability to ensure your engine runs strong, maintains compression, and manages oil effectively. Trust in USA-made quality to bring your classic Harley-Davidson back to peak condition.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6482020\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538084112\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Application:\u003c\/strong\u003e 1200cc Shovel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .020\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.22 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engine size does this piston ring fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis Hastings Mfg piston ring is for 1200cc Shovelhead engines that require a .020\" oversize piston ring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of rings for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. You will need to determine the correct quantity and types of rings for your specific engine rebuild needs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this piston ring manufactured in the USA?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, Hastings Mfg manufactures these piston rings in the USA.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Cast Piston Ring .020\\\" Oversize - 1200cc Shovel Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1200cc-shovel-cast-020-oversize-865-02033\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine size does this piston ring fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This Hastings Mfg piston ring is for 1200cc Shovelhead engines that require a .020\\\" oversize piston ring.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of rings for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. You will need to determine the correct quantity and types of rings for your specific engine rebuild needs.\"}},{\"@type\":\"Question\",\"name\":\"Is this piston ring manufactured in the USA?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, Hastings Mfg manufactures these piston rings in the USA.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035811176559,"sku":"865-02033","price":65.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_eb381672-b623-4be6-a10b-185494102589.png?v=1779562990"},{"product_id":"hastings-mfg-piston-ring-1200cc-shovel-cast-030-oversize-865-02034","title":"Hastings Mfg Cast Piston Ring .030\" Oversize - 1200cc Shovel Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eFor 1200cc Shovelhead engines undergoing a .030\" oversize bore, this Hastings Mfg piston ring provides the precise fit and sealing capabilities necessary for a robust rebuild. It's an essential component to restore optimal engine function.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eSized for .030\" oversize 1200cc Shovelhead pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable cast construction for long-term reliability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eUSA-made quality ensures precise fit and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Hastings Mfg cast piston ring is engineered specifically for 1200cc Shovelhead engines that require a .030\" oversize fitment. Its three-piece oil ring design is crucial for maintaining proper oil control and cylinder sealing, directly impacting your engine's compression and longevity. Made in the USA, this ring ensures a high standard of quality and reliability for your classic V-twin rebuild.\u003c\/p\u003e\u003ch3\u003eEngineered for Oversize Shovelhead Bores\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrecisely sized for .030\" oversize 1200cc Shovelhead pistons\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for effective oil management\u003c\/li\u003e\n\u003cli\u003eDurable cast construction for consistent engine performance\u003c\/li\u003e\n\u003cli\u003eMade in the USA, ensuring quality and precise fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCritical for Shovelhead Engine Rebuilds\u003c\/h3\u003e\u003cp\u003eWhen performing machine work that results in a .030\" overbore on your 1200cc Shovelhead, selecting the correct piston rings is non-negotiable. This Hastings Mfg ring is designed to provide that exact fit, helping to restore your engine's power, efficiency, and overall reliability. Trust in quality components for a successful and lasting rebuild.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6482030\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538084129\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 1200cc Shovel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .030\" oversize\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.22 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engine does this piston ring fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis Hastings Mfg piston ring is for 1200cc Shovelhead V-twin engines that have been bored out to a .030\" oversize.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eCan this ring be used on a stock bore engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this ring is specifically sized for .030\" oversize pistons and will not fit a stock bore engine. You will need a different part number for standard bore applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of rings for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. You will need to order the correct quantity and types of rings required for your specific engine rebuild.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Cast Piston Ring .030\\\" Oversize - 1200cc Shovel Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1200cc-shovel-cast-030-oversize-865-02034\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine does this piston ring fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This Hastings Mfg piston ring is for 1200cc Shovelhead V-twin engines that have been bored out to a .030\\\" oversize.\"}},{\"@type\":\"Question\",\"name\":\"Can this ring be used on a stock bore engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this ring is specifically sized for .030\\\" oversize pistons and will not fit a stock bore engine. You will need a different part number for standard bore applications.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of rings for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. You will need to order the correct quantity and types of rings required for your specific engine rebuild.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035811209327,"sku":"865-02034","price":65.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_b0a2f452-9cf4-4df4-9a1c-91a0975312fa.png?v=1779562989"},{"product_id":"hastings-mfg-piston-ring-1200cc-shovel-cast-040-oversize-865-02035","title":"Hastings Mfg Cast Piston Ring .040\" Oversize - 1200cc Shovel Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen performing a rebuild on a 1200cc Shovelhead engine with rebored cylinders, this Hastings Mfg piston ring offers the precise fit for .040\" oversize applications. It's a fundamental component for restoring compression and proper oil control.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrecisely sized for .040\" oversize 1200cc Shovelhead pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable cast iron construction for lasting performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eUSA-made quality for trusted engine rebuilds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Hastings Mfg cast piston ring is specifically engineered for 1200cc Shovelhead engines that have been bored out to .040\" oversize. The robust cast iron construction combined with a three-piece oil ring design ensures reliable sealing and efficient oil management within the cylinder. Manufactured in the USA, this ring provides the necessary quality and precision for a successful and durable engine rebuild for your classic V-twin.\u003c\/p\u003e\u003ch3\u003ePrecision Fit for Rebored Shovelhead Cylinders\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSized for .040\" oversize 1200cc Shovelhead pistons\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for effective oil control\u003c\/li\u003e\n\u003cli\u003eDurable cast iron construction for reliable performance\u003c\/li\u003e\n\u003cli\u003eMade in the USA, ensuring high manufacturing standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Restoring Shovelhead Power\u003c\/h3\u003e\u003cp\u003eFor any 1200cc Shovelhead engine rebuild requiring a .040\" overbore, selecting the correct piston rings is crucial for optimal performance and longevity. This Hastings Mfg ring delivers the exact fit and sealing capabilities needed to restore your engine's compression and overall efficiency. Trust in quality, USA-made components to bring your Harley-Davidson back to life.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6482040\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 75538084136\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Size:\u003c\/strong\u003e 1200cc Shovel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversize:\u003c\/strong\u003e .040\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.22 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat engine does this piston ring fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis Hastings Mfg piston ring is designed for 1200cc Shovelhead engines that have been bored .040\" oversize.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this fit a stock bore Shovelhead cylinder?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this ring is specifically for .040\" oversize applications. Stock bore Shovelhead cylinders require a different part number.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs this a complete set of rings for one piston?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a single piston ring. You will need to confirm the quantity and types of rings required for your specific engine rebuild.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Cast Piston Ring .040\\\" Oversize - 1200cc Shovel Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-ring-1200cc-shovel-cast-040-oversize-865-02035\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine does this piston ring fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This Hastings Mfg piston ring is designed for 1200cc Shovelhead engines that have been bored .040\\\" oversize.\"}},{\"@type\":\"Question\",\"name\":\"Will this fit a stock bore Shovelhead cylinder?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this ring is specifically for .040\\\" oversize applications. Stock bore Shovelhead cylinders require a different part number.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete set of rings for one piston?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a single piston ring. You will need to confirm the quantity and types of rings required for your specific engine rebuild.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035811274863,"sku":"865-02035","price":65.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_d964ee29-7cf1-4303-8a2a-7abda3f6c950.png?v=1779562991"},{"product_id":"hastings-mfg-piston-rings-m8-1746-std-size-moly-865-2040","title":"Hastings Mfg Moly Piston Rings STD Size - Milwaukee-Eight 1746","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eHastings Mfg Moly Piston Rings are engineered for Milwaukee-Eight V-twin engines, providing OEM-quality sealing and oil control. These standard-size rings feature a moly finish to reduce friction and are compatible with both stock and Screamin' Eagle pistons.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly finish reduces friction and wear\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eCompatible with OEM and Screamin' Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for quality assurance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eStandard size for Milwaukee-Eight 1746 engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen rebuilding or upgrading your Milwaukee-Eight engine, Hastings Mfg Moly Piston Rings deliver the performance and durability you demand. Essential for maintaining compression and proper oil management, these rings are crucial for the longevity and power of your V-twin. Made in the USA, they meet stringent quality standards for reliable operation on the road.\u003c\/p\u003e\u003ch3\u003eOptimized for Milwaukee-Eight Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly finish reduces friction and wear for smoother operation\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil control and sealing\u003c\/li\u003e\n\u003cli\u003eCompatible with both OEM and Screamin' Eagle pistons\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA for assured quality\u003c\/li\u003e\n\u003cli\u003eSold as a set for two pistons for most Milwaukee-Eight models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCritical for Engine Health\u003c\/h3\u003e\u003cp\u003eProperly functioning piston rings are vital for maximizing horsepower and preventing oil consumption in your Milwaukee-Eight. These Hastings Mfg rings ensure a tight seal, promoting efficient combustion and contributing to the overall health and performance of your engine. Whether you're doing a top-end refresh or a full build, these rings are a solid foundation for reliable power.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2C5231\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRing Type:\u003c\/strong\u003e Three-piece oil rings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.2 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eHow many rings are included in one package?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eOne set of Hastings Mfg Moly Piston Rings covers two pistons for most Milwaukee-Eight models. For Twin Cam 113\" and 883 XL models, you must order two sets (one per cylinder).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill these work with Screamin' Eagle pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these Hastings Mfg piston rings are designed to be compatible with both OEM and Screamin' Eagle pistons for Milwaukee-Eight engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the benefit of a moly finish?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThe moly finish on these piston rings helps to reduce friction and wear within the cylinder, contributing to improved engine efficiency and longevity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Rings STD Size - Milwaukee-Eight 1746\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-m8-1746-std-size-moly-865-2040\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many rings are included in one package?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"One set of Hastings Mfg Moly Piston Rings covers two pistons for most Milwaukee-Eight models. For Twin Cam 113\\\" and 883 XL models, you must order two sets (one per cylinder).\"}},{\"@type\":\"Question\",\"name\":\"Will these work with Screamin' Eagle pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these Hastings Mfg piston rings are designed to be compatible with both OEM and Screamin' Eagle pistons for Milwaukee-Eight engines.\"}},{\"@type\":\"Question\",\"name\":\"What is the benefit of a moly finish?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The moly finish on these piston rings helps to reduce friction and wear within the cylinder, contributing to improved engine efficiency and longevity.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980292207,"sku":"865-2040","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_ca908fac-76bb-4ad2-8365-153e61cf76f5.png?v=1779565857"},{"product_id":"hastings-mfg-piston-rings-m8-1746-os-005-moly-865-2041","title":"Hastings Mfg Moly Piston Rings OS .005 - Milwaukee-Eight 1746","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eHastings Mfg Moly Piston Rings are designed for Milwaukee-Eight V-twin engines, offered in a .005 oversize for rebuild applications. These rings feature a moly composition and a three-piece oil control design, ensuring reliable performance and oil management.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly composition for reduced friction\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil control rings for sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eCompatible with OEM and Screamin' Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for quality assurance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e.005 oversize for rebuild applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen it's time for an engine refresh or an overhaul on your Milwaukee-Eight, Hastings Mfg Moly Piston Rings provide the precision and durability needed. Available in a .005 oversize, these rings are crucial for restoring proper compression and managing oil effectively, especially after cylinder work. Made in the USA, they uphold high quality standards for your Harley-Davidson.\u003c\/p\u003e\u003ch3\u003ePrecision Engineered for Rebuilds\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly composition for reduced friction and enhanced wear resistance\u003c\/li\u003e\n\u003cli\u003eThree-piece oil control ring design for superior oil management\u003c\/li\u003e\n\u003cli\u003eCompatible with both OEM and Screamin' Eagle pistons\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA, ensuring consistent quality\u003c\/li\u003e\n\u003cli\u003eSold in sets for two pistons for most Milwaukee-Eight applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Engine Longevity\u003c\/h3\u003e\u003cp\u003eProperly fitted piston rings are vital for maintaining peak engine performance and preventing oil consumption. These Hastings Mfg rings are engineered to deliver a tight seal, promoting efficient combustion and contributing to the overall health and power of your Milwaukee-Eight. Choose these rings for a reliable foundation in your next engine project.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2C5231.13\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.2 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eAre these rings cast or moly?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThese specific Hastings Mfg piston rings are made with a moly composition. Moly rings are known for lower friction and better high-RPM performance compared to cast rings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eDo I need one or two sets for my 883 XL or Twin Cam 113\" engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eFor 883 XL and Twin Cam 113\" models, you must order two sets per bike, as these rings are sold per cylinder for those specific applications, not per engine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill these work with stock Harley pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these Hastings Mfg piston rings are designed to work with both OEM (stock) Harley-Davidson pistons and Screamin' Eagle pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Rings OS .005 - Milwaukee-Eight 1746\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-m8-1746-os-005-moly-865-2041\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Are these rings cast or moly?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These specific Hastings Mfg piston rings are made with a moly composition. Moly rings are known for lower friction and better high-RPM performance compared to cast rings.\"}},{\"@type\":\"Question\",\"name\":\"Do I need one or two sets for my 883 XL or Twin Cam 113\\\" engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For 883 XL and Twin Cam 113\\\" models, you must order two sets per bike, as these rings are sold per cylinder for those specific applications, not per engine.\"}},{\"@type\":\"Question\",\"name\":\"Will these work with stock Harley pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these Hastings Mfg piston rings are designed to work with both OEM (stock) Harley-Davidson pistons and Screamin' Eagle pistons.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980324975,"sku":"865-2041","price":47.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_b1d65a9e-1aa6-47cd-9083-c295b10194e8.png?v=1779564105"},{"product_id":"hastings-mfg-piston-rings-m8-1746-os-010-moly-865-2042","title":"Hastings Mfg Moly Oversized .010 Piston Rings - Harley Milwaukee-Eight Touring \u0026 Softail","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen you're building out a Milwaukee-Eight, the piston rings are critical for maintaining compression and controlling oil. Hastings Mfg offers moly-faced piston rings for a durable, low-friction seal that stands up to the demands of performance V-twin engines. This set is designed for .010 oversized bores.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly face coating for reduced friction and extended life\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEngineered for .010 oversized Milwaukee-Eight bores\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eCompatible with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Hastings Mfg piston rings are engineered for Milwaukee-Eight V-twin engines, providing a robust sealing solution for your top end. The moly face coating on the compression rings helps reduce friction and wear, ensuring a longer lifespan and consistent performance. With a three-piece oil ring design, you get excellent oil control, which is crucial for preventing blow-by and maintaining engine health.\u003c\/p\u003e\u003ch3\u003eReliable Sealing for Your M8\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly face coating on compression rings for reduced friction and wear\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design ensures superior oil control\u003c\/li\u003e\n\u003cli\u003eCompatible with both OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA for quality you can trust\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuilding a Performance Milwaukee-Eight\u003c\/h3\u003e\u003cp\u003eWhether you're doing a routine rebuild or pushing the limits with a performance build, these piston rings are a solid choice. They integrate seamlessly with existing OEM and Screaming Eagle pistons, simplifying your build process. Confirm bore sizing carefully before ordering to ensure a perfect fit for your Milwaukee-Eight Touring or Softail model.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2C5231.25\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.21 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat's the benefit of moly-coated piston rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMoly (molybdenum) coatings reduce friction between the ring and cylinder wall, which can lead to better wear resistance and a longer lifespan for your engine components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eHow many pistons does this set cover?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis set is designed to cover two pistons. If you are working on a Twin Cam 113\" or Sportster 883 XL, you will need to order two sets as those applications are sold per cylinder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill these rings work with my aftermarket pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThese rings are compatible with both OEM and Screaming Eagle pistons. Always verify that the ring groove diameter of your specific piston matches these rings before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Oversized .010 Piston Rings - Harley Milwaukee-Eight Touring \u0026 Softail\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-m8-1746-os-010-moly-865-2042\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What's the benefit of moly-coated piston rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Moly (molybdenum) coatings reduce friction between the ring and cylinder wall, which can lead to better wear resistance and a longer lifespan for your engine components.\"}},{\"@type\":\"Question\",\"name\":\"How many pistons does this set cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This set is designed to cover two pistons. If you are working on a Twin Cam 113\\\" or Sportster 883 XL, you will need to order two sets as those applications are sold per cylinder.\"}},{\"@type\":\"Question\",\"name\":\"Will these rings work with my aftermarket pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These rings are compatible with both OEM and Screaming Eagle pistons. Always verify that the ring groove diameter of your specific piston matches these rings before installation.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980390511,"sku":"865-2042","price":47.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_c7a5937b-8d6c-4b7c-8d25-946c6b45e627.png?v=1779565862"},{"product_id":"hastings-mfg-piston-rings-m8-1868-std-size-moly-865-2043","title":"Hastings Mfg Moly Standard Size Piston Rings - Harley Milwaukee-Eight Touring \u0026 Softail","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eEnsure optimal engine performance and longevity for your Milwaukee-Eight with Hastings Mfg moly piston rings. Designed for standard bore sizes, these rings provide a reliable seal, crucial for maintaining compression and controlling oil in your V-twin. They are manufactured in the USA for consistent quality.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-faced for reduced friction and extended durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil control ring design\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDirect fit for standard bore Milwaukee-Eight engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWorks with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Hastings Mfg piston rings are specifically engineered for Milwaukee-Eight engines, delivering a precise fit for standard bore cylinders. The moly-faced compression rings are known for their reduced friction and excellent wear characteristics, which contribute to a longer engine life and more consistent power delivery. Coupled with a three-piece oil control ring design, these rings effectively manage oil, preventing unwanted blow-by and keeping your top end running clean.\u003c\/p\u003e\u003ch3\u003ePrecision Engineering for M8 Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly-faced compression rings minimize friction and enhance durability\u003c\/li\u003e\n\u003cli\u003eThree-piece oil control rings for effective oil management\u003c\/li\u003e\n\u003cli\u003eDesigned for standard bore Milwaukee-Eight cylinders\u003c\/li\u003e\n\u003cli\u003eCompatible with both OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli\u003eProudly made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Any M8 Rebuild\u003c\/h3\u003e\u003cp\u003eWhether you're refreshing a high-mileage Milwaukee-Eight or assembling a new performance build, these standard size piston rings are an essential component. Their compatibility with OEM and Screaming Eagle pistons makes them a versatile choice for a wide range of setups. Always confirm your cylinder bore measurements before installation to ensure perfect fitment for your Harley Touring, Softail, or Dyna.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2C5232\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Milwaukee-Eight (M8)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRing Type:\u003c\/strong\u003e Moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.21 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eHow many pistons does one set of these rings cover?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eOne set of these Hastings Mfg piston rings is designed to cover two pistons. However, for Twin Cam 113\" and Sportster 883 XL models, rings are sold per cylinder, so you would need to order two sets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eAre these piston rings compatible with Screaming Eagle pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these Hastings Mfg piston rings are specifically designed to work seamlessly with both OEM (Original Equipment Manufacturer) and Screaming Eagle aftermarket pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the main difference between Cast and Moly piston rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMoly-faced rings, like these, incorporate a molybdenum coating that provides a lower friction surface, leading to better wear resistance and a faster break-in period compared to traditional cast iron rings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Standard Size Piston Rings - Harley Milwaukee-Eight Touring \u0026 Softail\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-m8-1868-std-size-moly-865-2043\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many pistons does one set of these rings cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"One set of these Hastings Mfg piston rings is designed to cover two pistons. However, for Twin Cam 113\\\" and Sportster 883 XL models, rings are sold per cylinder, so you would need to order two sets.\"}},{\"@type\":\"Question\",\"name\":\"Are these piston rings compatible with Screaming Eagle pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these Hastings Mfg piston rings are specifically designed to work seamlessly with both OEM (Original Equipment Manufacturer) and Screaming Eagle aftermarket pistons.\"}},{\"@type\":\"Question\",\"name\":\"What is the main difference between Cast and Moly piston rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Moly-faced rings, like these, incorporate a molybdenum coating that provides a lower friction surface, leading to better wear resistance and a faster break-in period compared to traditional cast iron rings.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980423279,"sku":"865-2043","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_c1da1d9d-9fc2-473e-a513-327f1338add5.png?v=1779563929"},{"product_id":"hastings-mfg-piston-rings-m8-1868-os-005-moly-865-2044","title":"Hastings Mfg Moly Oversized .005 Piston Rings - Harley Milwaukee-Eight Touring \u0026 Softail","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen rebuilding your Harley Milwaukee-Eight engine, precision piston rings are paramount for optimal performance and longevity. Hastings Mfg offers these moly-faced piston rings in an .005 oversized configuration, engineered to deliver a superior seal and oil control. They are made in the USA for quality you can trust.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly coating for reduced friction and wear resistance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for optimal oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for .005 oversized Milwaukee-Eight bores\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eCompatible with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Hastings Mfg piston rings are designed for Harley Milwaukee-Eight engines requiring an .005 oversized fit. The moly coating on the compression rings is key to reducing friction and wear, ensuring a durable and efficient seal against the cylinder walls. This contributes to consistent compression and improved engine efficiency. The three-piece oil ring design provides excellent oil control, minimizing blow-by and keeping your engine's combustion chambers clean.\u003c\/p\u003e\u003ch3\u003eEnhanced Durability and Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly-coated compression rings for reduced friction and extended life\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design ensures superior oil control\u003c\/li\u003e\n\u003cli\u003eEngineered for .005 oversized Milwaukee-Eight cylinders\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli\u003eMade in the USA for reliable quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuilding a Balanced M8 Engine\u003c\/h3\u003e\u003cp\u003eChoosing the correct piston rings is a critical step in any Milwaukee-Eight engine build, especially when working with oversized bores. These Hastings Mfg rings are a direct fit for both OEM and Screaming Eagle pistons, offering versatility for your project. Always verify your cylinder bore measurements to ensure proper fitment and performance for your Harley Touring, Softail, or Dyna model.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2C5232.13\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversized:\u003c\/strong\u003e .005\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Harley Milwaukee-Eight (M8)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.22 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eHow many pistons does one set of these rings cover?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eOn most Milwaukee-Eight engines, one set of these rings covers two pistons. However, for Twin Cam 113\" and Sportster 883 XL models, rings are sold per cylinder, so you'll need to order two sets per bike.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat's the advantage of using moly rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMoly (molybdenum) rings offer better wear resistance and longevity compared to traditional cast iron rings. They also provide a quicker break-in period and can reduce friction.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eAre these rings compatible with aftermarket pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these Hastings Mfg piston rings are designed to be compatible with both OEM (Original Equipment Manufacturer) and Screaming Eagle aftermarket pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Oversized .005 Piston Rings - Harley Milwaukee-Eight Touring \u0026 Softail\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-m8-1868-os-005-moly-865-2044\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many pistons does one set of these rings cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"On most Milwaukee-Eight engines, one set of these rings covers two pistons. However, for Twin Cam 113\\\" and Sportster 883 XL models, rings are sold per cylinder, so you'll need to order two sets per bike.\"}},{\"@type\":\"Question\",\"name\":\"What's the advantage of using moly rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Moly (molybdenum) rings offer better wear resistance and longevity compared to traditional cast iron rings. They also provide a quicker break-in period and can reduce friction.\"}},{\"@type\":\"Question\",\"name\":\"Are these rings compatible with aftermarket pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these Hastings Mfg piston rings are designed to be compatible with both OEM (Original Equipment Manufacturer) and Screaming Eagle aftermarket pistons.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980456047,"sku":"865-2044","price":47.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_02532be5-f553-4362-8118-c8b7c1ed507e.png?v=1779565865"},{"product_id":"hastings-mfg-piston-rings-m8-1868-os-010-moly-865-2045","title":"Hastings Mfg Moly Oversized .010 Piston Rings - Harley Milwaukee-Eight Touring \u0026 Softail","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eFor riders building or rebuilding a Milwaukee-Eight engine, precise piston rings are non-negotiable for power and durability. Hastings Mfg offers moly-coated piston rings for .010 oversized bores, engineered for optimal sealing and oil control. These rings are proudly made in the USA.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly material for durability and reduced friction\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for optimal oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for .010 oversized Milwaukee-Eight engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWorks with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Hastings Mfg piston rings are specifically designed for Milwaukee-Eight V-twin engines requiring an .010 oversized fit. The moly material on the compression rings is chosen for its ability to reduce friction and minimize wear, ensuring a long-lasting and effective seal against the cylinder walls. This leads to more consistent compression and improved overall engine efficiency. The advanced three-piece oil ring design provides superior oil control, preventing blow-by and contributing to a cleaner, healthier engine.\u003c\/p\u003e\u003ch3\u003eEngineered for M8 Performance Builds\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly material for enhanced durability and reduced friction\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli\u003eDesigned for .010 oversized Milwaukee-Eight cylinders\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli\u003eManufactured with pride in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Strong M8 Engine\u003c\/h3\u003e\u003cp\u003eWhen you're pushing your Milwaukee-Eight, every component matters. These oversized piston rings from Hastings Mfg provide the foundation for a strong, reliable top end. Their compatibility with both OEM and Screaming Eagle pistons offers flexibility for various build specifications. Always confirm your cylinder bore measurements to ensure the correct fitment for your Harley Touring, Softail, or Dyna model.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2C5232.25\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.23 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eHow many piston rings are included in one set?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eOne set includes a complete three-piece ring package designed for two pistons. However, for Twin Cam 113\" and Sportster 883 XL models, rings are sold per cylinder, so you would need to order two sets for one bike.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eAre these piston rings compatible with Screaming Eagle pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, Hastings Mfg piston rings are specifically engineered to work effectively with both OEM (Original Equipment Manufacturer) and Screaming Eagle aftermarket pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the main benefit of moly-coated rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMoly (molybdenum) coatings reduce friction between the piston ring and the cylinder wall. This leads to better wear resistance, improved sealing, and often a quicker break-in period for the engine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Oversized .010 Piston Rings - Harley Milwaukee-Eight Touring \u0026 Softail\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-m8-1868-os-010-moly-865-2045\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many piston rings are included in one set?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"One set includes a complete three-piece ring package designed for two pistons. However, for Twin Cam 113\\\" and Sportster 883 XL models, rings are sold per cylinder, so you would need to order two sets for one bike.\"}},{\"@type\":\"Question\",\"name\":\"Are these piston rings compatible with Screaming Eagle pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, Hastings Mfg piston rings are specifically engineered to work effectively with both OEM (Original Equipment Manufacturer) and Screaming Eagle aftermarket pistons.\"}},{\"@type\":\"Question\",\"name\":\"What is the main benefit of moly-coated rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Moly (molybdenum) coatings reduce friction between the piston ring and the cylinder wall. This leads to better wear resistance, improved sealing, and often a quicker break-in period for the engine.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980488815,"sku":"865-2045","price":47.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_7f70ac79-b494-4449-bf0c-f55077df9e57.png?v=1779564086"},{"product_id":"hastings-mfg-piston-rings-twin-cam-1584-std-size-moly-865-2046","title":"Hastings Mfg Moly Standard Size Piston Rings - Harley Twin Cam 1584 Touring \u0026 Softail","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen it's time for a top-end refresh on your Twin Cam 1584 engine, precise piston rings are essential for restoring compression and oil control. Hastings Mfg offers moly-coated piston rings in standard size, engineered for durability and reliable sealing. These rings are proudly manufactured in the USA.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-coated for reduced friction and extended wear life\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for optimal oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDirect fit for standard size Twin Cam 1584 engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWorks with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Hastings Mfg piston rings are specifically designed for Twin Cam 1584 engines, offering a direct fit for standard bore cylinders. The moly coating on the compression rings significantly reduces friction and wear, promoting a longer engine life and more consistent performance. This material choice is crucial for maintaining a tight seal against the cylinder walls, which directly impacts horsepower and torque. The three-piece oil ring design ensures excellent oil control, preventing blow-by and keeping your combustion chambers clean.\u003c\/p\u003e\u003ch3\u003eEngineered for Twin Cam Durability\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly-coated rings for reduced wear and improved sealing\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for effective oil control\u003c\/li\u003e\n\u003cli\u003eDesigned for standard size Twin Cam 1584 engines\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli\u003eMade in the USA for superior quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRebuilding Your Twin Cam Top End\u003c\/h3\u003e\u003cp\u003eWhether you're performing a routine rebuild or chasing performance gains, these standard size piston rings are a critical component for your Twin Cam 1584. Their compatibility with both OEM and Screaming Eagle pistons provides flexibility for various setups. Always confirm your cylinder bore measurements before installation to ensure perfect fitment and optimal performance for your Harley Touring, Softail, or Dyna model.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M4805\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRing Type:\u003c\/strong\u003e Moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Twin CAM 1584\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.22 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eHow many pistons does one set of these rings cover?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eOne set of these Hastings Mfg piston rings is designed to cover two pistons. However, for Twin Cam 113\" and Sportster 883 XL models, rings are sold per cylinder, so you would need to order two sets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eAre these piston rings compatible with Screaming Eagle pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these Hastings Mfg piston rings are specifically designed to work seamlessly with both OEM (Original Equipment Manufacturer) and Screaming Eagle aftermarket pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the main difference between Cast and Moly piston rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMoly-faced rings, like these, incorporate a molybdenum coating that provides a lower friction surface, leading to better wear resistance and a faster break-in period compared to traditional cast iron rings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Standard Size Piston Rings - Harley Twin Cam 1584 Touring \u0026 Softail\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-twin-cam-1584-std-size-moly-865-2046\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many pistons does one set of these rings cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"One set of these Hastings Mfg piston rings is designed to cover two pistons. However, for Twin Cam 113\\\" and Sportster 883 XL models, rings are sold per cylinder, so you would need to order two sets.\"}},{\"@type\":\"Question\",\"name\":\"Are these piston rings compatible with Screaming Eagle pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these Hastings Mfg piston rings are specifically designed to work seamlessly with both OEM (Original Equipment Manufacturer) and Screaming Eagle aftermarket pistons.\"}},{\"@type\":\"Question\",\"name\":\"What is the main difference between Cast and Moly piston rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Moly-faced rings, like these, incorporate a molybdenum coating that provides a lower friction surface, leading to better wear resistance and a faster break-in period compared to traditional cast iron rings.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980521583,"sku":"865-2046","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_1b345900-5771-410c-8856-ec168950be33.png?v=1779565871"},{"product_id":"hastings-mfg-piston-rings-twin-cam-1584-os-005-moly-865-2047","title":"Hastings Mfg Moly Oversized .005 Piston Rings - Harley Twin Cam 1584 Touring \u0026 Softail","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen performing a top-end overhaul on your Twin Cam 1584, selecting the right piston rings is crucial for performance and durability. Hastings Mfg offers moly-coated piston rings in an .005 oversized fit, engineered for superior sealing and oil control. These rings are proudly manufactured in the USA.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly construction for durability and reduced friction\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for optimal oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for .005 oversized Twin Cam 1584 engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWorks with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Hastings Mfg piston rings are specifically designed for Twin Cam 1584cc engines requiring an .005 oversized fit. The moly construction on the compression rings is key to reducing friction and minimizing wear, ensuring a long-lasting and effective seal against the cylinder walls. This directly contributes to consistent compression and improved engine efficiency. The robust three-piece oil ring design provides excellent oil control, preventing blow-by and helping to keep your engine's combustion chambers clean and efficient.\u003c\/p\u003e\u003ch3\u003eReliable Sealing for Twin Cam Builds\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly construction for enhanced durability and reduced friction\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design ensures superior oil control\u003c\/li\u003e\n\u003cli\u003eEngineered for .005 oversized Twin Cam 1584 cylinders\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli\u003eMade in the USA for trusted quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Solid Twin Cam Engine\u003c\/h3\u003e\u003cp\u003eChoosing the correct piston rings is a critical step in any Twin Cam 1584 engine build, especially when working with oversized bores. These Hastings Mfg rings are a direct fit for both OEM and Screaming Eagle pistons, offering versatility for your project. Always verify your cylinder bore measurements to ensure proper fitment and performance for your Harley Touring, Softail, or Dyna model.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M4805005\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversized:\u003c\/strong\u003e .005 OS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Twin Cam 1584\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.22 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eAre these piston rings compatible with Screaming Eagle pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, Hastings Mfg piston rings are designed to work seamlessly with both OEM (Original Equipment Manufacturer) and Screaming Eagle aftermarket pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eHow many sets do I need for my Twin Cam 1584?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eFor most Twin Cam 1584 models, one set of these rings covers two pistons. However, for Twin Cam 113\" and Sportster 883 XL models, rings are sold per cylinder, so you would need to order two sets per bike.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the benefit of using moly rings for my engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMoly (molybdenum) rings offer a lower friction surface, which contributes to better wear resistance, improved sealing, and often a quicker and more effective break-in process for your engine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Oversized .005 Piston Rings - Harley Twin Cam 1584 Touring \u0026 Softail\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-twin-cam-1584-os-005-moly-865-2047\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Are these piston rings compatible with Screaming Eagle pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, Hastings Mfg piston rings are designed to work seamlessly with both OEM (Original Equipment Manufacturer) and Screaming Eagle aftermarket pistons.\"}},{\"@type\":\"Question\",\"name\":\"How many sets do I need for my Twin Cam 1584?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For most Twin Cam 1584 models, one set of these rings covers two pistons. However, for Twin Cam 113\\\" and Sportster 883 XL models, rings are sold per cylinder, so you would need to order two sets per bike.\"}},{\"@type\":\"Question\",\"name\":\"What is the benefit of using moly rings for my engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Moly (molybdenum) rings offer a lower friction surface, which contributes to better wear resistance, improved sealing, and often a quicker and more effective break-in process for your engine.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980587119,"sku":"865-2047","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_66abbf37-d9e8-4231-aa11-38fd40996749.png?v=1779563964"},{"product_id":"hastings-mfg-piston-rings-twin-cam-1690-std-size-moly-865-2049","title":"Hastings Mfg Moly Piston Rings Standard Size - Harley Twin Cam 1690","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThese Hastings Mfg Moly piston rings are engineered for your Twin Cam 1690 engine, offering a standard size replacement for maintaining optimal compression and oil control. Manufactured in the USA, they're built to last and perform under the demands of your V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eStandard size Moly rings for Twin Cam 1690 engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil control design for reliable sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWorks with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eManufactured in the USA for quality assurance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEssential for maintaining engine compression and oil control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen rebuilding your Twin Cam 1690, choosing the right piston rings is critical for engine longevity and performance. Hastings Mfg delivers a standard size Moly ring set designed for precise fitment and lasting durability. These rings ensure proper cylinder sealing, which translates to consistent power delivery and reduced oil consumption, keeping your Harley-Davidson running strong.\u003c\/p\u003e\u003ch3\u003eEngineered for Reliable Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly ring construction for enhanced wear resistance\u003c\/li\u003e\n\u003cli\u003eThree-piece oil control design for superior oil sealing\u003c\/li\u003e\n\u003cli\u003eCompatible with both OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli\u003eProudly made in the USA for assured quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRebuild with Confidence\u003c\/h3\u003e\u003cp\u003eWhether you're performing a routine top-end refresh or addressing specific engine wear, these Hastings Mfg piston rings provide a solid foundation for your Twin Cam 1690. Their design ensures compatibility with a range of piston types, making them a versatile choice for many builders. Proper installation of new rings is key to maximizing your engine's efficiency and extending its service life.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M4941\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRing Type:\u003c\/strong\u003e Moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Size:\u003c\/strong\u003e Twin Cam 1690\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.23 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eHow many pistons does one set cover?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eOne set includes rings for two pistons, covering a complete standard Twin Cam 1690 engine. However, TC 113\" and 883 XL models require two sets per bike as they are sold per-cylinder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eAre these piston rings compatible with Screaming Eagle pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these Hastings Mfg Moly piston rings are specifically designed to be compatible with both OEM (stock) and Screaming Eagle pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eDo I need any special tools for installation?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eInstalling piston rings typically requires a piston ring compressor and other standard engine rebuild tools. Always consult your service manual for specific procedures for your Harley-Davidson model.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Rings Standard Size - Harley Twin Cam 1690\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-twin-cam-1690-std-size-moly-865-2049\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many pistons does one set cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"One set includes rings for two pistons, covering a complete standard Twin Cam 1690 engine. However, TC 113\\\" and 883 XL models require two sets per bike as they are sold per-cylinder.\"}},{\"@type\":\"Question\",\"name\":\"Are these piston rings compatible with Screaming Eagle pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these Hastings Mfg Moly piston rings are specifically designed to be compatible with both OEM (stock) and Screaming Eagle pistons.\"}},{\"@type\":\"Question\",\"name\":\"Do I need any special tools for installation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Installing piston rings typically requires a piston ring compressor and other standard engine rebuild tools. Always consult your service manual for specific procedures for your Harley-Davidson model.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980619887,"sku":"865-2049","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_c651becd-77b9-4704-bfeb-035ec051b5b3.png?v=1779564056"},{"product_id":"hastings-mfg-piston-rings-twin-cam-1690-os-005-moly-865-2050","title":"Hastings Mfg Moly Piston Rings .005 Oversize - Harley Twin Cam 1690","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThese Hastings Mfg Moly piston rings are designed for Twin Cam 1690 engines requiring a .005 oversize, ideal for cylinders that have been bored slightly. Manufactured in the USA, they feature a moly coating and three-piece oil ring design to ensure a reliable seal and long service life.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-coated .005 oversize rings for Twin Cam 1690\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eReduces friction and enhances durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWorks with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for reliable quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen your Twin Cam 1690 engine needs more than a standard refresh, these Hastings Mfg .005 oversize Moly piston rings provide the solution for bored cylinders. The moly coating reduces friction and enhances durability, crucial for maintaining performance and extending engine life. With their precision engineering, these rings ensure optimal compression and oil control, vital for any performance-minded V-twin rider.\u003c\/p\u003e\u003ch3\u003eEngineered for Rebuilt Cylinders\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly-coated for reduced friction and increased durability\u003c\/li\u003e\n\u003cli\u003e.005 oversize for bored Twin Cam 1690 cylinders\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for reliable oil control\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli\u003eMade in the USA for trusted quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRestore Peak Engine Performance\u003c\/h3\u003e\u003cp\u003eUsing the correct oversize piston rings is paramount after machining your cylinders. These Hastings Mfg rings are crafted to seat properly in .005 oversize bores, restoring crucial compression and minimizing oil bypass. Whether you're chasing more power or simply bringing a high-mileage engine back to life, these rings are a critical component for achieving a strong, reliable Twin Cam 1690. Confirm your cylinder bore size before ordering to ensure correct fitment.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M4941005\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Twin Cam 1690cc .005 oversize\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e Moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eHow many pistons does one set cover?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eOne set covers two pistons for most standard Twin Cam 1690 applications. However, TC 113\" and 883 XL models are sold per cylinder and require two sets per bike.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eAre these piston rings compatible with Screaming Eagle pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these Hastings Mfg Moly piston rings are engineered to work with both OEM (stock) and Screaming Eagle pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the benefit of a moly coating?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMoly coatings on piston rings help reduce friction and improve wear resistance, especially under high-heat conditions, contributing to longer engine life and consistent performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Rings .005 Oversize - Harley Twin Cam 1690\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-twin-cam-1690-os-005-moly-865-2050\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many pistons does one set cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"One set covers two pistons for most standard Twin Cam 1690 applications. However, TC 113\\\" and 883 XL models are sold per cylinder and require two sets per bike.\"}},{\"@type\":\"Question\",\"name\":\"Are these piston rings compatible with Screaming Eagle pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these Hastings Mfg Moly piston rings are engineered to work with both OEM (stock) and Screaming Eagle pistons.\"}},{\"@type\":\"Question\",\"name\":\"What is the benefit of a moly coating?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Moly coatings on piston rings help reduce friction and improve wear resistance, especially under high-heat conditions, contributing to longer engine life and consistent performance.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980652655,"sku":"865-2050","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_6238bf89-8fa3-4cbd-8b8f-7a3c4263a3aa.png?v=1779564100"},{"product_id":"hastings-mfg-piston-rings-twin-cam-1690-os-010-moly-865-2051","title":"Hastings Mfg Moly Piston Rings .010 Oversize - Harley Twin Cam 1690","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThese Hastings Mfg Moly piston rings are specifically designed for Twin Cam 1690 engines that require a .010 oversize, making them ideal for cylinders that have been bored. Made in the USA, these rings feature a durable Moly compound and a three-piece oil ring design for superior sealing.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly compound .010 oversize rings for Twin Cam 1690\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for bored cylinders\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring for excellent oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWorks with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eUSA-made for quality and reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen rebuilding a Twin Cam 1690 engine with cylinders bored to .010 oversize, these Hastings Mfg Moly piston rings are the precise fit you need. The Moly compound construction ensures excellent wear resistance and durability, critical for the demands of a high-performance V-twin. Their advanced three-piece oil ring design is key to maintaining proper oil control and preventing blow-by, ensuring your engine runs efficiently and reliably.\u003c\/p\u003e\u003ch3\u003ePrecision Engineered for Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly compound construction for long-lasting durability\u003c\/li\u003e\n\u003cli\u003e.010 oversize for accurately bored Twin Cam 1690 cylinders\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA to exacting standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Rebuilt Twin Cam Engines\u003c\/h3\u003e\u003cp\u003eAfter a cylinder bore, selecting the correct oversize piston rings is non-negotiable for achieving optimal engine performance and longevity. These Hastings Mfg rings are engineered to restore compression and minimize oil consumption in your Twin Cam 1690. They are a crucial component for any serious engine builder looking to bring a Harley-Davidson back to peak condition, ensuring a tight seal and reliable operation.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M4941010\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversizing:\u003c\/strong\u003e .010 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eHow many pistons does one set cover?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eOne set covers two pistons for most standard Twin Cam 1690 applications. However, TC 113\" and 883 XL models are sold per cylinder and require two sets per bike.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eAre these piston rings compatible with Screaming Eagle pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these Hastings Mfg Moly piston rings are engineered to work with both OEM (stock) and Screaming Eagle pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the benefit of a Moly compound ring?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMoly compound rings offer superior wear resistance and durability compared to traditional cast rings, making them ideal for performance applications and extended engine life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Rings .010 Oversize - Harley Twin Cam 1690\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-twin-cam-1690-os-010-moly-865-2051\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many pistons does one set cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"One set covers two pistons for most standard Twin Cam 1690 applications. However, TC 113\\\" and 883 XL models are sold per cylinder and require two sets per bike.\"}},{\"@type\":\"Question\",\"name\":\"Are these piston rings compatible with Screaming Eagle pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these Hastings Mfg Moly piston rings are engineered to work with both OEM (stock) and Screaming Eagle pistons.\"}},{\"@type\":\"Question\",\"name\":\"What is the benefit of a Moly compound ring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Moly compound rings offer superior wear resistance and durability compared to traditional cast rings, making them ideal for performance applications and extended engine life.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980685423,"sku":"865-2051","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_6f1b268b-f26a-4c8d-9d68-a742a476ec9b.png?v=1779564398"},{"product_id":"hastings-mfg-piston-rings-twin-cam-1753-1917-std-size-moly-865-2052","title":"Hastings Mfg Moly Piston Rings Standard Size - Harley Twin Cam 1753\/1917","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThese Hastings Mfg Moly piston rings are designed for Twin Cam 1753 and 1917 engines in standard bore sizes. Manufactured in the USA, they provide reliable sealing and long-lasting performance for your Harley-Davidson V-twin, whether you're refreshing a stock motor or building a mild custom.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eStandard size Moly rings for Twin Cam 1753\/1917\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWorks with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for trusted quality\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eKey for maintaining engine compression\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen it's time for an engine refresh or rebuild on your Twin Cam 1753 or 1917, these standard size Moly piston rings from Hastings Mfg are a solid choice. Engineered for compatibility with both OEM and Screaming Eagle pistons, they feature a robust Moly construction and a three-piece oil ring design. This combination ensures superior oil control and consistent compression, crucial for maintaining your V-twin's power and efficiency over countless miles.\u003c\/p\u003e\u003ch3\u003eOptimized for Twin Cam Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStandard size Moly rings for Twin Cam 1753\/1917 engines\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for dependable oil control\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA for quality and precision\u003c\/li\u003e\n\u003cli\u003eEssential for restoring or maintaining engine compression\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReliable Components for Your V-Twin\u003c\/h3\u003e\u003cp\u003eUsing high-quality piston rings is paramount for the health and performance of your Twin Cam engine. These Hastings Mfg rings offer the durability and sealing capabilities needed to keep your Harley-Davidson running strong. They are an excellent choice for riders and builders looking for reliable components during a top-end overhaul, ensuring proper combustion and reduced oil consumption for sustained performance on the road.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M5157\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.25 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eHow many pistons does one set cover?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eFor standard Twin Cam 1753\/1917 models, one set covers both pistons. However, Twin Cam 113\" and 883 XL models require two sets per bike as they are sold per cylinder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eAre these piston rings compatible with Screaming Eagle pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these Hastings Mfg Moly piston rings are engineered to work with both OEM (stock) and Screaming Eagle pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the benefit of Moly construction?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMoly piston rings offer excellent wear resistance, reduced friction, and improved heat dissipation, leading to longer engine life and more consistent performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Rings Standard Size - Harley Twin Cam 1753\/1917\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-twin-cam-1753-1917-std-size-moly-865-2052\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many pistons does one set cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For standard Twin Cam 1753\/1917 models, one set covers both pistons. However, Twin Cam 113\\\" and 883 XL models require two sets per bike as they are sold per cylinder.\"}},{\"@type\":\"Question\",\"name\":\"Are these piston rings compatible with Screaming Eagle pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these Hastings Mfg Moly piston rings are engineered to work with both OEM (stock) and Screaming Eagle pistons.\"}},{\"@type\":\"Question\",\"name\":\"What is the benefit of Moly construction?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Moly piston rings offer excellent wear resistance, reduced friction, and improved heat dissipation, leading to longer engine life and more consistent performance.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980750959,"sku":"865-2052","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_95cf7ef6-30ed-4cd4-b481-5d32e5efecb5.png?v=1779564028"},{"product_id":"hastings-mfg-piston-rings-twin-cam-1753-1917-os-005-moly-865-2053","title":"Hastings Mfg Moly Piston Rings .005 Oversize - Harley Twin Cam 1753\/1917","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThese Hastings Mfg Moly piston rings are crafted for Twin Cam 1753 and 1917 engines requiring a .005 oversize, an essential component for cylinders that have been precision bored. Made in the USA, they feature a durable Moly compound and a three-piece oil ring design, ensuring a robust seal and extended engine life for your Harley-Davidson.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly compound .005 oversize rings for Twin Cam 1753\/1917\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWorks with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for reliable quality\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEnhances durability and reduces friction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen your Twin Cam 1753 or 1917 engine undergoes a rebuild with a .005 oversize bore, these Hastings Mfg Moly piston rings are the ideal choice. The Moly construction provides superior wear resistance and reduced friction, crucial for the demands of a high-performance V-twin. With their advanced three-piece oil ring design, these rings guarantee excellent oil control and consistent compression, vital for maintaining power and efficiency.\u003c\/p\u003e\u003ch3\u003eEngineered for Rebuilt Twin Cam Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e.005 oversize Moly rings for Twin Cam 1753\/1917\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for reliable oil control\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA for quality and precision\u003c\/li\u003e\n\u003cli\u003eOptimized for durability and reduced friction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCritical for Cylinder Refresh\u003c\/h3\u003e\u003cp\u003eAfter boring your cylinders, using the correct oversize piston rings is non-negotiable for achieving peak engine performance and longevity. These Hastings Mfg rings are designed to seat perfectly in .005 oversize bores, restoring vital compression and minimizing oil consumption. They are a crucial upgrade for any rider or builder looking to bring their Harley-Davidson back to peak condition, ensuring a tight seal and dependable operation for years to come.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M5157005\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.25 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eHow many piston rings are in a set?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eOne complete set covers two pistons for most Twin Cam applications. However, TC 113\" and 883 XL models require per-cylinder ordering, so you'll need two sets per bike for those models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill these work with my Screaming Eagle pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these Hastings Mfg Moly piston rings are engineered to work seamlessly with both OEM (stock) and Screaming Eagle pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the benefit of a Moly ring compared to cast?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMoly rings offer enhanced durability, superior heat resistance, and reduced friction compared to traditional cast rings, making them a preferred choice for performance V-twin engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Rings .005 Oversize - Harley Twin Cam 1753\/1917\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-twin-cam-1753-1917-os-005-moly-865-2053\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many piston rings are in a set?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"One complete set covers two pistons for most Twin Cam applications. However, TC 113\\\" and 883 XL models require per-cylinder ordering, so you'll need two sets per bike for those models.\"}},{\"@type\":\"Question\",\"name\":\"Will these work with my Screaming Eagle pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these Hastings Mfg Moly piston rings are engineered to work seamlessly with both OEM (stock) and Screaming Eagle pistons.\"}},{\"@type\":\"Question\",\"name\":\"What is the benefit of a Moly ring compared to cast?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Moly rings offer enhanced durability, superior heat resistance, and reduced friction compared to traditional cast rings, making them a preferred choice for performance V-twin engines.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980783727,"sku":"865-2053","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_fdabc0c0-99e7-4128-9584-c424576ad91c.png?v=1779564403"},{"product_id":"hastings-mfg-piston-rings-twin-cam-1753-1917-010-moly-865-2054","title":"Hastings Mfg Moly Piston Rings .010 Oversize - Harley Twin Cam 1753\/1917","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThese Hastings Mfg Moly piston rings are engineered for Twin Cam 1753 and 1917 engines, specifically for cylinders bored to a .010 oversize. Manufactured in the USA, they feature a robust Moly construction and a three-piece oil ring design to ensure a tight seal and lasting performance for your Harley-Davidson V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly construction .010 oversize rings for Twin Cam\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for 1753 and 1917 engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring for superior oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWorks with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for reliable quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor Twin Cam 1753 and 1917 engines undergoing a rebuild with cylinders bored to .010 oversize, these Hastings Mfg Moly piston rings are the precise fit required. The Moly material provides exceptional durability and reduced friction, critical for the demands of a high-performance V-twin. Their advanced three-piece oil ring design ensures superior oil control and consistent compression, vital for maximizing your engine's power and efficiency over the long haul.\u003c\/p\u003e\u003ch3\u003eEngineered for Big-Bore Twin Cam Rebuilds\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e.010 oversize Moly rings for Twin Cam 1753\/1917 engines\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for reliable oil control\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA for trusted quality\u003c\/li\u003e\n\u003cli\u003eEnhanced durability for demanding applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRestore Your V-Twin's Power\u003c\/h3\u003e\u003cp\u003eAfter a cylinder bore, selecting the correct oversize piston rings is fundamental to achieving optimal engine performance and longevity. These Hastings Mfg rings are designed to seat perfectly in .010 oversize bores, restoring crucial compression and minimizing oil consumption. They are an essential component for any serious engine builder looking to bring their Harley-Davidson back to peak condition, ensuring a tight seal and dependable operation for maximum output.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M5157030\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.26 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eHow many ring sets do I need to order?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMost Twin Cam models require one set, which covers two pistons. However, for TC 113\" and 883 XL models, this part is sold per cylinder, so you must order two sets per bike.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill these work with my stock Harley pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these Hastings Mfg Moly piston rings are specifically designed to work with both OEM (stock) and Screaming Eagle pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the difference between Cast and Moly rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMoly rings offer superior durability, reduced friction, and better heat resistance compared to cast rings, making them a preferred choice for performance and longevity in V-twin engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Rings .010 Oversize - Harley Twin Cam 1753\/1917\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-twin-cam-1753-1917-010-moly-865-2054\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many ring sets do I need to order?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most Twin Cam models require one set, which covers two pistons. However, for TC 113\\\" and 883 XL models, this part is sold per cylinder, so you must order two sets per bike.\"}},{\"@type\":\"Question\",\"name\":\"Will these work with my stock Harley pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these Hastings Mfg Moly piston rings are specifically designed to work with both OEM (stock) and Screaming Eagle pistons.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between Cast and Moly rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Moly rings offer superior durability, reduced friction, and better heat resistance compared to cast rings, making them a preferred choice for performance and longevity in V-twin engines.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980816495,"sku":"865-2054","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_b2c80e91-9b72-4113-92da-3bb8cff47cec.png?v=1779564118"},{"product_id":"hastings-mfg-piston-rings-twin-cam-1800-std-size-moly-865-2055","title":"Hastings Mfg Moly Piston Rings Standard Size - Harley Twin Cam 1800","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Hastings Mfg\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eHastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThese Hastings Mfg piston rings are engineered for Twin Cam 1800 engines, featuring a standard bore size and moly coating. They provide reliable ring seal and oil control, crucial for maintaining peak engine performance on your Harley-Davidson.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMoly-coated for reduced friction and extended life\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eThree-piece oil ring design for optimal oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWorks seamlessly with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eStandard bore size for stock or unbored cylinders\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eProudly made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen rebuilding or refreshing your Twin Cam 1800, selecting the right piston rings is critical for long-term engine health and performance. These Hastings Mfg moly-coated rings are designed to precise standards, ensuring optimal compression and reduced friction.\u003c\/p\u003e\u003ch3\u003eEngineered for Performance and Durability\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly-coated compression rings reduce wear and friction\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for superior oil control\u003c\/li\u003e\n\u003cli\u003eCompatible with both OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli\u003eMade in the USA for quality assurance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation Notes and Compatibility\u003c\/h3\u003e\u003cp\u003eThis set is designed for standard bore Twin Cam 1800 engines. Most Twin Cam 1800 applications will use one set for both pistons. However, riders with TC 113\" and 883 XL models will need to order two sets as they are sold per cylinder for those specific applications. Always confirm your engine's bore size before ordering.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hastings Mfg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2M5299\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Twin CAM 1800\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRing Type:\u003c\/strong\u003e Moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.37 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.23 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eDo I need one or two sets for my bike?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMost Twin Cam 1800 models require one set for both pistons. However, if you have a TC 113\" or 883 XL, you'll need to order two sets as they are sold per cylinder for those models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eAre these compatible with Screaming Eagle pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these Hastings Mfg piston rings are specifically designed to work effectively with both OEM and Screaming Eagle pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the benefit of moly-coated rings?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMoly coating helps to reduce friction and wear on the cylinder walls, contributing to better sealing, increased durability, and improved engine efficiency.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston kits \u0026 Components\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hastings Mfg\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/hastings-mfg\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hastings Mfg Moly Piston Rings Standard Size - Harley Twin Cam 1800\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-twin-cam-1800-std-size-moly-865-2055\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Do I need one or two sets for my bike?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most Twin Cam 1800 models require one set for both pistons. However, if you have a TC 113\\\" or 883 XL, you'll need to order two sets as they are sold per cylinder for those models.\"}},{\"@type\":\"Question\",\"name\":\"Are these compatible with Screaming Eagle pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these Hastings Mfg piston rings are specifically designed to work effectively with both OEM and Screaming Eagle pistons.\"}},{\"@type\":\"Question\",\"name\":\"What is the benefit of moly-coated rings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Moly coating helps to reduce friction and wear on the cylinder walls, contributing to better sealing, increased durability, and improved engine efficiency.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980849263,"sku":"865-2055","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_2c2f3c12-9620-494f-b0b4-43a439b7afda.png?v=1779563951"}],"url":"https:\/\/vtwinbikers.com\/collections\/hastings-mfg.oembed?page=2","provider":"Vtwinbikers","version":"1.0","type":"link"}