{"product_id":"hastings-mfg-piston-rings-twin-cam-1800-os-010-moly-865-2057","title":"Hastings Mfg Moly Piston Rings .010 Oversize - 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 .010 oversize bore and moly compound. They provide a secure ring seal and effective oil control, vital for optimal engine performance and longevity.\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 for durability and low 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;\"\u003eWorks with OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e.010 oversize for bored cylinders\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the USA for consistent quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen your Twin Cam 1800 engine requires a .010 oversize for a rebuild, these Hastings Mfg moly piston rings are the precise solution. They are designed to deliver reliable compression and superior oil management, critical for maintaining the health and power of your V-twin.\u003c\/p\u003e\u003ch3\u003eBuilt for Reliability and Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoly compound construction for enhanced durability and reduced friction\u003c\/li\u003e\n\u003cli\u003eThree-piece oil ring design for excellent oil control\u003c\/li\u003e\n\u003cli\u003eFully compatible with both OEM and Screaming Eagle pistons\u003c\/li\u003e\n\u003cli\u003eProudly manufactured in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSelecting the Right Rings for Your Build\u003c\/h3\u003e\u003cp\u003eThis set is specifically for Twin Cam 1800 engines that have been bored .010 over stock. 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 purchasing to ensure proper 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 2M5299010\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Twin Cam 1800\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversized:\u003c\/strong\u003e .010 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompound:\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 piston ring sets do I need?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eFor most Twin Cam 1800 bikes, one set covers two pistons. However, TC 113\" and 883 XL riders must order two sets per bike, 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;\"\u003eWill these work with Screaming Eagle pistons?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these Hastings Mfg piston rings are designed to be fully compatible 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 does .010 oversized mean?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003e.010 oversized rings are intended for engines that have been bored .010 inches larger than the standard bore. If your engine is stock or has a different bore size, you'll need a different 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 Rings .010 Oversize - Harley Twin Cam 1800\",\"item\":\"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-twin-cam-1800-os-010-moly-865-2057\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many piston ring sets do I need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For most Twin Cam 1800 bikes, one set covers two pistons. However, TC 113\\\" and 883 XL riders must order two sets per bike, as they are sold per cylinder for those models.\"}},{\"@type\":\"Question\",\"name\":\"Will these work with Screaming Eagle pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these Hastings Mfg piston rings are designed to be fully compatible with both OEM and Screaming Eagle pistons.\"}},{\"@type\":\"Question\",\"name\":\"What does .010 oversized mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\".010 oversized rings are intended for engines that have been bored .010 inches larger than the standard bore. If your engine is stock or has a different bore size, you'll need a different size.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Hastings Mfg","offers":[{"title":"Default Title","offer_id":53035980947567,"sku":"865-2057","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_487adb51-0bd1-4080-a95e-0eaeb8c4ba48.png?v=1779564434","url":"https:\/\/vtwinbikers.com\/products\/hastings-mfg-piston-rings-twin-cam-1800-os-010-moly-865-2057","provider":"Vtwinbikers","version":"1.0","type":"link"}