{"title":"Cometic","description":null,"products":[{"product_id":"cometic-twin-cam-est-gasket-kit-68-10005","title":"Cometic Twin Cam EST Complete Gasket Kit - Harley Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen it's time for a top-end refresh or a full engine overhaul on your Twin Cam, the Cometic Twin Cam EST Gasket Kit provides everything you need. This comprehensive kit ensures a complete and reliable seal for your V-twin engine. Engineered with advanced materials, it's designed to meet the demands of performance applications.\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;\"\u003eComplete engine seal overhaul kit\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMLS head gaskets for enhanced durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eViton-coated base gaskets and valve stem seals\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes all necessary fasteners and o-rings\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for high-performance engine demands\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Cometic Twin Cam EST Gasket Kit is a complete engine seal overhaul solution, meticulously assembled for V-twin motorcycles. This kit includes all critical components, from head gaskets to valve stem seals, along with every fastener required for reassembly. Built with MLS (Multi-Layer Steel) head gaskets and Viton-coated components, these gaskets are engineered to withstand the rigors of modern high-performance engines, ensuring a leak-free and durable build.\u003c\/p\u003e\u003ch3\u003eAdvanced Sealing for Performance Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMulti-Layer Steel (MLS) head gaskets for superior sealing under pressure\u003c\/li\u003e\n\u003cli\u003eSteel Viton-coated base gaskets offer enhanced durability\u003c\/li\u003e\n\u003cli\u003eBlue Viton valve stem seals provide excellent temperature resistance\u003c\/li\u003e\n\u003cli\u003eAFM material gaskets for reliable sealing across various surfaces\u003c\/li\u003e\n\u003cli\u003eComprehensive kit includes all necessary fasteners and o-rings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReliability for Your Twin Cam Build\u003c\/h3\u003e\u003cp\u003eWhether you're performing routine maintenance or a full performance build, this Cometic gasket kit delivers the quality and precision required for your Harley Twin Cam engine. Every component is designed for direct replacement, ensuring a straightforward installation process. Trust Cometic to provide the robust sealing your V-twin needs to perform at its best, ride after ride.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10005\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.76 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 components are included in this Cometic Twin Cam EST gasket kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis comprehensive kit includes head gaskets, base gaskets, valve stem seals, washers, o-rings, and all fasteners necessary for a complete engine seal overhaul on your Twin Cam V-twin.\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 gasket kit designed for high-performance Twin Cam engines?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, the kit features MLS head gaskets and Viton-coated components, which are specifically built to withstand the demands of modern high-performance V-twin 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;\"\u003eWill this kit fit my specific Harley-Davidson Twin Cam model?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is designed for V-twin motorcycles with Twin Cam EST engines. Please verify your engine type and consult our Shop by Bike tool to confirm compatibility with your specific year and model 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Twin Cam EST Complete Gasket Kit - Harley Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-est-gasket-kit-68-10005\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What components are included in this Cometic Twin Cam EST gasket kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This comprehensive kit includes head gaskets, base gaskets, valve stem seals, washers, o-rings, and all fasteners necessary for a complete engine seal overhaul on your Twin Cam V-twin.\"}},{\"@type\":\"Question\",\"name\":\"Is this gasket kit designed for high-performance Twin Cam engines?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, the kit features MLS head gaskets and Viton-coated components, which are specifically built to withstand the demands of modern high-performance V-twin engines.\"}},{\"@type\":\"Question\",\"name\":\"Will this kit fit my specific Harley-Davidson Twin Cam model?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is designed for V-twin motorcycles with Twin Cam EST engines. Please verify your engine type and consult our Shop by Bike tool to confirm compatibility with your specific year and model before ordering.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035115282543,"sku":"68-10005","price":285.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_ac3dba46-9491-4b75-bf6f-8b6bd7fbb681.png?v=1779560658"},{"product_id":"cometic-intake-exhaust-gasket-twin-cam-10-pk-oe-29645-08-68-10007","title":"Cometic Twin Cam Intake\/Exhaust Gasket 10-Pack - Harley Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eMaintain optimal engine performance and prevent leaks with the Cometic Twin Cam Intake and Exhaust Gasket 10-Pack. These gaskets are engineered as a direct replacement to OEM specifications, ensuring a perfect fit and reliable seal. Keep your Twin Cam powerplant running strong with 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;\"\u003e10-pack quantity for convenience and value\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDirect OEM replacement to spec\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for Twin Cam intake and exhaust\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEnsures reliable sealing performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eCompatible with Harley and Indian V-twins\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Cometic intake and exhaust gasket 10-pack is an essential component for any Twin Cam V-twin engine owner or shop. Designed for direct replacement, these gaskets ensure a precise and reliable seal for your intake and exhaust systems. Manufactured to OEM specifications, they provide the peace of mind that comes with using high-quality sealing solutions on your Harley-Davidson or Indian Motorcycle.\u003c\/p\u003e\u003ch3\u003eReliable Sealing for Critical Systems\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConvenient 10-pack quantity for multiple uses or spares\u003c\/li\u003e\n\u003cli\u003eDirect OEM replacement ensures perfect fitment and performance\u003c\/li\u003e\n\u003cli\u003eEngineered for Twin Cam V-twin engines\u003c\/li\u003e\n\u003cli\u003eProvides a reliable seal for both intake and exhaust systems\u003c\/li\u003e\n\u003cli\u003eManufactured to stringent quality standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Twin Cam Maintenance\u003c\/h3\u003e\u003cp\u003eWhether you're performing routine maintenance, replacing exhaust components, or addressing a leak, having a supply of these Cometic gaskets on hand is smart. They are specifically designed for Twin Cam engines, ensuring compatibility and optimal performance. Avoid exhaust leaks and maintain proper engine function by using these high-quality, OEM-spec replacement gaskets for your Harley or Indian 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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10007\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Part #:\u003c\/strong\u003e 29645-08\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 7.3 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 6.1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.08 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 gaskets are included in each pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eEach pack contains 10 intake and exhaust gaskets, making it ideal for shops, multiple bikes, or having spares for future maintenance.\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 gaskets a direct replacement for original equipment?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, Cometic manufactures these gaskets to directly match OEM specification #29645-08, ensuring a precise fit and reliable performance as an OEM replacement.\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 gasket fit my Milwaukee-Eight engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this specific gasket is designed for Twin Cam engines. Milwaukee-Eight (M8) models utilize a different gasket, so please verify your engine type 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Twin Cam Intake\/Exhaust Gasket 10-Pack - Harley Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-intake-exhaust-gasket-twin-cam-10-pk-oe-29645-08-68-10007\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many gaskets are included in each pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Each pack contains 10 intake and exhaust gaskets, making it ideal for shops, multiple bikes, or having spares for future maintenance.\"}},{\"@type\":\"Question\",\"name\":\"Are these gaskets a direct replacement for original equipment?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, Cometic manufactures these gaskets to directly match OEM specification #29645-08, ensuring a precise fit and reliable performance as an OEM replacement.\"}},{\"@type\":\"Question\",\"name\":\"Will this gasket fit my Milwaukee-Eight engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this specific gasket is designed for Twin Cam engines. Milwaukee-Eight (M8) models utilize a different gasket, so please verify your engine type before ordering.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035115348079,"sku":"68-10007","price":34.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_e286617c-407f-4533-8307-dac6e4c7b353.png?v=1779560665"},{"product_id":"cometic-twin-cam-rocker-box-assembly-gasket-10-pk-oe-26500002-68-10039","title":"Cometic Twin Cam Rocker Box Assembly Gasket 10-Pack - Harley Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eEnsure a leak-free top end on your Twin Cam engine with the Cometic Rocker Box Assembly Gasket 10-Pack. These gaskets are manufactured to OEM specifications, providing a reliable seal for your rocker box. Ideal for workshops or riders who prefer to have spares on hand, this pack offers excellent value and 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;\"\u003e10-pack quantity for convenience\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eOEM-equivalent gasket design\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eSpecifically for Twin Cam rocker box assembly\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEnsures reliable, leak-free sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable materials for long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Cometic rocker box assembly gasket 10-pack is a crucial component for maintaining the integrity of your Twin Cam V-twin engine. Each gasket is an OEM-equivalent replacement, designed to provide a perfect seal for the rocker box assembly. This bulk pack is particularly useful for shops that frequently service Twin Cam models or for individual riders who perform their own maintenance and want a ready supply of quality replacement parts for their Harley-Davidson or Indian Motorcycle.\u003c\/p\u003e\u003ch3\u003ePrecision Sealing for Your Top End\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConvenient 10-pack quantity for shops and multi-bike owners\u003c\/li\u003e\n\u003cli\u003eOEM-equivalent design ensures precise fitment and reliable sealing\u003c\/li\u003e\n\u003cli\u003eSpecifically engineered for Twin Cam rocker box assemblies\u003c\/li\u003e\n\u003cli\u003eHelps prevent oil leaks and maintain engine cleanliness\u003c\/li\u003e\n\u003cli\u003eManufactured from durable materials for long-lasting performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaintain Your Twin Cam with Confidence\u003c\/h3\u003e\u003cp\u003eReplacing rocker box gaskets is a common maintenance task, and having these Cometic gaskets on hand ensures you're always prepared. They are engineered to the same exacting standards as the original equipment, guaranteeing a secure seal and optimal engine performance. Trust Cometic for the dependable parts your Twin Cam needs to run smoothly, ride after ride.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10039\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Part #:\u003c\/strong\u003e 26500002\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.09 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 an OEM gasket or an aftermarket replacement?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is a high-quality aftermarket gasket manufactured by Cometic to OEM specifications, serving as a direct replacement for Harley OEM part #26500002.\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;\"\u003eWhy is this rocker box gasket sold in a 10-pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThe 10-pack quantity is designed to cater to professional shops, owners of multiple bikes, or riders who prefer to keep spares on hand for routine maintenance or future repairs.\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 gasket fit all Twin Cam engines, regardless of year?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis rocker box gasket is designed for standard Twin Cam assemblies. To confirm compatibility, please verify your specific year and model using our Shop by Bike tool before placing your order.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Twin Cam Rocker Box Assembly Gasket 10-Pack - Harley Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-rocker-box-assembly-gasket-10-pk-oe-26500002-68-10039\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is this an OEM gasket or an aftermarket replacement?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is a high-quality aftermarket gasket manufactured by Cometic to OEM specifications, serving as a direct replacement for Harley OEM part #26500002.\"}},{\"@type\":\"Question\",\"name\":\"Why is this rocker box gasket sold in a 10-pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 10-pack quantity is designed to cater to professional shops, owners of multiple bikes, or riders who prefer to keep spares on hand for routine maintenance or future repairs.\"}},{\"@type\":\"Question\",\"name\":\"Will this gasket fit all Twin Cam engines, regardless of year?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This rocker box gasket is designed for standard Twin Cam assemblies. To confirm compatibility, please verify your specific year and model using our Shop by Bike tool before placing your order.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035116134511,"sku":"68-10039","price":19.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_ef048594-2296-4517-9a6f-85df4ef444f9.png?v=1779560699"},{"product_id":"cometic-panhead-shovelhead-evo-big-twin-oil-pump-gasket-seal-line-ferrule-evo-68-10011","title":"Cometic Oil Pump Gasket\/Seal - Harley Panhead, Shovelhead \u0026 Evolution","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Cometic oil pump gasket and seal is engineered for Harley-Davidson Panhead, Shovelhead, and Evolution big-twin engines. It provides a precision seal at the oil pump junction, critical for maintaining proper oil pressure and preventing leaks. This component is a direct replacement, designed to meet OEM specifications for reliable 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;\"\u003ePrecision-engineered for reliable sealing performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDirect replacement for Panhead, Shovelhead, and Evo big-twin\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrevents oil leaks at the pump junction\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEnsures proper oil pressure maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're working on your Panhead, Shovelhead, or Evolution big-twin, every component matters for a leak-free build. This Cometic oil pump gasket and seal is specifically designed to provide a secure and reliable seal where the oil pump meets the engine case. It's a critical part for ensuring your classic V-twin maintains proper oil pressure and prevents common seepage issues.\u003c\/p\u003e\u003ch3\u003eReliable Sealing for Classic V-Twins\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrecision-engineered for a tight, leak-free seal\u003c\/li\u003e\n\u003cli\u003eDirect OEM replacement for straightforward installation\u003c\/li\u003e\n\u003cli\u003eDesigned for Panhead, Shovelhead, and Evolution big-twin platforms\u003c\/li\u003e\n\u003cli\u003eEnsures proper oil pump function and pressure retention\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Rebuilds and Maintenance\u003c\/h3\u003e\u003cp\u003eWhether you're performing a full engine rebuild or addressing an oil leak, replacing worn gaskets and seals is a non-negotiable step. This Cometic gasket provides peace of mind, knowing that the oil pump junction is sealed correctly. It's an investment in the longevity and reliability of your classic Harley-Davidson engine, preventing future headaches down 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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10011\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 3.8 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 0.3 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.025 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 gasket fit my Panhead, Shovelhead, or Evolution engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this Cometic oil pump gasket and seal is designed to fit Harley-Davidson Panhead, Shovelhead, and Evolution big-twin 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 primary function of this gasket?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eIts primary function is to seal the oil pump housing to the engine case, preventing oil leaks and ensuring proper oil circulation within your V-twin 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;\"\u003eShould I replace this gasket during routine engine maintenance?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eWhen your engine is disassembled for any major service or rebuild, it is highly recommended to replace gaskets and seals to ensure a fresh, reliable seal and prevent future leaks.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Oil Pump Gasket\/Seal - Harley Panhead, Shovelhead \u0026 Evolution\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-panhead-shovelhead-evo-big-twin-oil-pump-gasket-seal-line-ferrule-evo-68-10011\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this gasket fit my Panhead, Shovelhead, or Evolution engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this Cometic oil pump gasket and seal is designed to fit Harley-Davidson Panhead, Shovelhead, and Evolution big-twin engines.\"}},{\"@type\":\"Question\",\"name\":\"What is the primary function of this gasket?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Its primary function is to seal the oil pump housing to the engine case, preventing oil leaks and ensuring proper oil circulation within your V-twin engine.\"}},{\"@type\":\"Question\",\"name\":\"Should I replace this gasket during routine engine maintenance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"When your engine is disassembled for any major service or rebuild, it is highly recommended to replace gaskets and seals to ensure a fresh, reliable seal and prevent future leaks.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035116167279,"sku":"68-10011","price":21.3,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_e2955408-9708-4024-b062-c12060de6a99.png?v=1779560670"},{"product_id":"cometic-head-gasket-gaskets-twin-cooled-3-875-027mls-2-pk-68-10081","title":"Cometic Twin-Cooled .027\" MLS Head Gasket 3.875\" Bore - Harley \u0026 Indian V-Twin (2-Pack)","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Cometic head gasket is designed for twin-cooled V-twin engines with a 3.875-inch bore, featuring robust .027-inch multi-layer steel (MLS) construction. Sold in a convenient 2-pack, these gaskets are ideal for engine service or multi-engine builds. They provide a superior seal under high heat and pressure, crucial for performance and reliability.\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;\"\u003eMulti-layer steel (MLS) construction for durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eOptimized for twin-cooled V-twin engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eSuperior sealing for 3.875-inch bore cylinders\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e2-pack quantity for complete engine service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're pushing your twin-cooled V-twin, the head gasket is a critical component for maintaining engine integrity. These Cometic head gaskets are engineered with .027-inch multi-layer steel (MLS) construction, providing exceptional sealing capabilities for engines with a 3.875-inch bore. The MLS design ensures superior performance under the demanding conditions of a high-performance V-twin.\u003c\/p\u003e\u003ch3\u003eAdvanced Sealing Technology\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRobust .027-inch multi-layer steel (MLS) construction\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for twin-cooled V-twin engines\u003c\/li\u003e\n\u003cli\u003eProvides a reliable seal for 3.875-inch bore cylinders\u003c\/li\u003e\n\u003cli\u003eSupplied in a convenient 2-pack for complete engine service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuilt for Demanding V-Twin Performance\u003c\/h3\u003e\u003cp\u003eThe unique properties of multi-layer steel gaskets allow them to better withstand the thermal cycling and pressures inherent in high-output V-twin engines. This results in a more durable and reliable seal compared to traditional gasket materials. Whether you're rebuilding an engine or performing routine maintenance, these Cometic head gaskets offer the confidence that your cylinder heads will stay sealed, mile after mile.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10081\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.19 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 per pack\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 MLS gasket construction mean?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMLS stands for Multi-Layer Steel. These gaskets use multiple layers of steel with an elastomer coating to provide a superior seal under varying temperatures and pressures, outperforming traditional single-layer gaskets.\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 gaskets are included in one pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eEach pack contains two head gaskets, which is enough for one complete V-twin engine refresh or for servicing two single-cylinder 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;\"\u003eWill this gasket fit my Harley-Davidson or Indian Motorcycle?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket is designed for V-twin motorcycles with twin-cooled cylinder heads and a 3.875-inch bore. It is essential to confirm your engine's specific bore size and cooling type 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Twin-Cooled .027\\\" MLS Head Gasket 3.875\\\" Bore - Harley \u0026 Indian V-Twin (2-Pack)\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-head-gasket-gaskets-twin-cooled-3-875-027mls-2-pk-68-10081\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does MLS gasket construction mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MLS stands for Multi-Layer Steel. These gaskets use multiple layers of steel with an elastomer coating to provide a superior seal under varying temperatures and pressures, outperforming traditional single-layer gaskets.\"}},{\"@type\":\"Question\",\"name\":\"How many gaskets are included in one pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Each pack contains two head gaskets, which is enough for one complete V-twin engine refresh or for servicing two single-cylinder applications.\"}},{\"@type\":\"Question\",\"name\":\"Will this gasket fit my Harley-Davidson or Indian Motorcycle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket is designed for V-twin motorcycles with twin-cooled cylinder heads and a 3.875-inch bore. It is essential to confirm your engine's specific bore size and cooling type before ordering.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035116200047,"sku":"68-10081","price":59.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_4468e489-23df-4a0f-a214-62f6190afe94.png?v=1779560750"},{"product_id":"cometic-head-gasket-gaskets-twin-cooled-3-875-036mls-2-pk-68-10081-036","title":"Cometic .036\" MLS Head Gasket 3.875\" Bore - Harley \u0026 Indian V-Twin (2-Pack)","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Cometic head gasket is designed for V-twin motorcycles with a 3.875-inch bore, featuring a .036-inch multi-layer steel (MLS) construction. Sold in a convenient 2-pack, these gaskets are perfect for shops or riders performing engine rebuilds and maintenance. The MLS design provides superior sealing and durability under demanding conditions.\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;\"\u003eMulti-layer steel (MLS) construction for superior sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEngineered for 3.875-inch bore V-twin engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWithstands high temperatures and pressures\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eTwo gaskets per pack for complete cylinder service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're building or rebuilding a V-twin engine, a reliable head gasket is non-negotiable. These Cometic head gaskets are crafted with .036-inch multi-layer steel (MLS) construction, offering exceptional sealing integrity for 3.875-inch bore cylinders. The MLS technology is proven to withstand the high temperatures and pressures common in performance V-twin applications, ensuring a long-lasting, leak-free seal.\u003c\/p\u003e\u003ch3\u003eEnhanced Engine Sealing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDurable .036-inch multi-layer steel (MLS) construction\u003c\/li\u003e\n\u003cli\u003eDesigned for V-twin engines with a 3.875-inch bore\u003c\/li\u003e\n\u003cli\u003eProvides superior sealing against heat and pressure\u003c\/li\u003e\n\u003cli\u003eConvenient 2-pack for complete engine service or spares\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCritical for Performance and Longevity\u003c\/h3\u003e\u003cp\u003eChoosing the right head gasket is crucial for your engine's performance and longevity. The MLS design of these Cometic gaskets ensures a consistent and robust seal, preventing compression loss and oil or coolant leaks. Whether you're upgrading your daily rider or preparing a race bike, these gaskets provide the reliability and peace of mind you need to push your V-twin to its limits.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10081-036\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 3.875 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.036 inch MLS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.35 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 gaskets are included in each pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eEach pack contains two head gaskets, which is enough for one complete V-twin engine rebuild or for shops servicing multiple bikes.\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 gasket fit my Harley-Davidson or Indian Motorcycle?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket is suitable for V-twin motorcycles with a 3.875-inch bore. It is crucial to check your service manual or current gasket to confirm your engine's specific bore size and thickness 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 does MLS stand for in gasket construction?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMLS stands for Multi-Layer Steel. This design uses several layers of steel to provide better sealing and increased durability compared to older, solid gasket styles, especially under demanding engine conditions.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic .036\\\" MLS Head Gasket 3.875\\\" Bore - Harley \u0026 Indian V-Twin (2-Pack)\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-head-gasket-gaskets-twin-cooled-3-875-036mls-2-pk-68-10081-036\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many gaskets are included in each pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Each pack contains two head gaskets, which is enough for one complete V-twin engine rebuild or for shops servicing multiple bikes.\"}},{\"@type\":\"Question\",\"name\":\"Will this gasket fit my Harley-Davidson or Indian Motorcycle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket is suitable for V-twin motorcycles with a 3.875-inch bore. It is crucial to check your service manual or current gasket to confirm your engine's specific bore size and thickness before ordering.\"}},{\"@type\":\"Question\",\"name\":\"What does MLS stand for in gasket construction?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MLS stands for Multi-Layer Steel. This design uses several layers of steel to provide better sealing and increased durability compared to older, solid gasket styles, especially under demanding engine conditions.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035116265583,"sku":"68-10081-036","price":59.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_b434b051-75bb-494a-a5ea-cf21b1bde621.png?v=1779560675"},{"product_id":"cometic-head-gasket-gaskets-twin-cooled-2-pk-3-875-040mls-oe-16500066-68-10081-040","title":"Cometic .040\" MLS Head Gasket 3.875\" Bore - Harley \u0026 Indian V-Twin (2-Pack)","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Cometic head gasket is designed for V-twin motorcycle engines, featuring .040-inch multi-layer steel (MLS) construction and a 3.875-inch bore diameter. Sold in a convenient 2-pack, these gaskets are a direct replacement, meeting OEM specifications for reliable sealing. They are an essential component for any engine rebuild or cylinder head service.\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;\"\u003eMulti-layer steel (MLS) construction for durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEngineered for 3.875-inch bore V-twin engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMeets OEM specifications for reliable fitment\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eTwo gaskets per pack for comprehensive service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen undertaking an engine rebuild or cylinder head service on your V-twin, a quality head gasket is paramount for long-term reliability. These Cometic head gaskets are crafted with .040-inch multi-layer steel (MLS) construction, ensuring a robust and durable seal for 3.875-inch bore cylinders. The MLS design is engineered to withstand the extreme temperatures and pressures inherent in performance V-twin engines, preventing common issues like compression loss or fluid leaks.\u003c\/p\u003e\u003ch3\u003eReliable Sealing for V-Twin Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDurable .040-inch multi-layer steel (MLS) construction\u003c\/li\u003e\n\u003cli\u003eDesigned for 3.875-inch bore V-twin motorcycle engines\u003c\/li\u003e\n\u003cli\u003eMeets OEM specifications for a precise fit\u003c\/li\u003e\n\u003cli\u003eSupplied in a 2-pack for complete engine service or spares\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Rebuilds and Upgrades\u003c\/h3\u003e\u003cp\u003eReplacing head gaskets is a critical step in any engine assembly, ensuring proper sealing and preventing potential leaks or performance issues down the road. These Cometic gaskets provide the confidence that your V-twin will maintain optimal compression and run efficiently. Whether you're restoring a classic or upgrading a modern machine, these MLS head gaskets are a vital component for a successful 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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10081-040\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e .040\" MLS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Diameter:\u003c\/strong\u003e 3.875\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.35 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.285 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 MLS gasket construction mean?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMLS (multi-layer steel) gaskets utilize multiple layers of spring steel, providing superior sealing capabilities and enhanced durability compared to traditional single-layer gaskets, especially under high-performance conditions.\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;\"\u003eWhy are these head gaskets sold in 2-packs?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThese gaskets are sold in 2-packs to accommodate the two cylinders of a V-twin engine, allowing for a complete head gasket replacement during an engine rebuild or providing spares for multiple 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;\"\u003eWill this gasket fit my Harley-Davidson or Indian Motorcycle?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis part is designed for V-twin motorcycle engines that utilize OEM specification 16500066. We recommend verifying your specific engine's bore size and cooling type to ensure proper fitment 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic .040\\\" MLS Head Gasket 3.875\\\" Bore - Harley \u0026 Indian V-Twin (2-Pack)\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-head-gasket-gaskets-twin-cooled-2-pk-3-875-040mls-oe-16500066-68-10081-040\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does MLS gasket construction mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MLS (multi-layer steel) gaskets utilize multiple layers of spring steel, providing superior sealing capabilities and enhanced durability compared to traditional single-layer gaskets, especially under high-performance conditions.\"}},{\"@type\":\"Question\",\"name\":\"Why are these head gaskets sold in 2-packs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These gaskets are sold in 2-packs to accommodate the two cylinders of a V-twin engine, allowing for a complete head gasket replacement during an engine rebuild or providing spares for multiple engines.\"}},{\"@type\":\"Question\",\"name\":\"Will this gasket fit my Harley-Davidson or Indian Motorcycle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This part is designed for V-twin motorcycle engines that utilize OEM specification 16500066. We recommend verifying your specific engine's bore size and cooling type to ensure proper fitment before ordering.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035117052015,"sku":"68-10081-040","price":59.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_00b84ba2-2735-42ad-a293-2a703eef92ed.png?v=1779561206"},{"product_id":"cometic-head-gasket-gaskets-twin-cooled-3-875-045mls-2-pk-68-10081-045","title":"Cometic .045\" MLS Head Gasket 3.875\" Bore - Harley \u0026 Indian V-Twin (2-Pack)","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Cometic head gasket is engineered for V-twin motorcycle engines, featuring a 3.875-inch bore and .045-inch multi-layer steel (MLS) construction. Sold in a convenient two-pack, these gaskets are ideal for shops or riders rebuilding multiple engines or performing a complete top-end refresh. The MLS design provides superior sealing under high temperatures and pressures.\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;\"\u003eMulti-layer steel (MLS) construction for superior durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEngineered for 3.875-inch bore V-twin engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWithstands high temperatures and pressures\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eTwo gaskets per pack for complete cylinder service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen it comes to the heart of your V-twin, a reliable head gasket is crucial for maintaining compression and preventing fluid leaks. These Cometic head gaskets are designed with a .045-inch multi-layer steel (MLS) construction, offering exceptional durability and sealing integrity for engines with a 3.875-inch bore. The advanced MLS technology is built to withstand the rigorous demands of performance V-twin applications, ensuring a long-lasting and leak-free seal.\u003c\/p\u003e\u003ch3\u003eOptimized Sealing for V-Twin Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDurable .045-inch multi-layer steel (MLS) construction\u003c\/li\u003e\n\u003cli\u003eSpecifically designed for 3.875-inch bore V-twin engines\u003c\/li\u003e\n\u003cli\u003eProvides superior sealing against heat and pressure cycling\u003c\/li\u003e\n\u003cli\u003eConvenient 2-pack for complete engine service or spares\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eA Foundation for Engine Reliability\u003c\/h3\u003e\u003cp\u003eChoosing the right head gasket is a critical step in any engine build or rebuild. The MLS design of these Cometic gaskets ensures a consistent and robust seal, vital for preventing compression loss and maintaining optimal engine performance. Whether you're performing routine maintenance or preparing for a high-performance upgrade, these gaskets provide the reliability and peace of mind necessary for confident riding.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10081-045\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Diameter:\u003c\/strong\u003e 3.875\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e .045\" MLS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.29 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 gasket fit my Harley-Davidson?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis part is designed to fit V-twin engines with a 3.875-inch bore. It is important to check your engine specifications, as bore size can vary by year and displacement, to ensure proper compatibility.\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 genuine Cometic part?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this is a genuine Cometic head gasket, manufactured to their high specifications for reliable performance in V-twin 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;\"\u003eWhy are these head gaskets sold in 2-packs?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThe two-pack quantity is ideal for shops, multi-bike rebuilds, or riders who prefer to have a spare on hand when performing engine assembly or maintenance on their V-twin.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic .045\\\" MLS Head Gasket 3.875\\\" Bore - Harley \u0026 Indian V-Twin (2-Pack)\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-head-gasket-gaskets-twin-cooled-3-875-045mls-2-pk-68-10081-045\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this gasket fit my Harley-Davidson?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This part is designed to fit V-twin engines with a 3.875-inch bore. It is important to check your engine specifications, as bore size can vary by year and displacement, to ensure proper compatibility.\"}},{\"@type\":\"Question\",\"name\":\"Is this a genuine Cometic part?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this is a genuine Cometic head gasket, manufactured to their high specifications for reliable performance in V-twin applications.\"}},{\"@type\":\"Question\",\"name\":\"Why are these head gaskets sold in 2-packs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The two-pack quantity is ideal for shops, multi-bike rebuilds, or riders who prefer to have a spare on hand when performing engine assembly or maintenance on their V-twin.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035117084783,"sku":"68-10081-045","price":59.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_a9c8176a-3f03-45e7-bb32-df27a720ca29.png?v=1779560708"},{"product_id":"cometic-head-gasket-gaskets-twin-cooled-3-937-040mls-2-pk-68-10083-040","title":"Cometic .040\" MLS Head Gasket 3.937\" Bore - Harley \u0026 Indian V-Twin (2-Pack)","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Cometic head gasket is designed for V-twin motorcycles with a 3.937-inch bore, featuring a robust .040-inch multi-layer steel (MLS) construction. Sold in a convenient 2-pack, these gaskets are ideal for engine rebuilds or for shops maintaining multiple bikes. The MLS core ensures superior sealing and durability under demanding conditions.\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;\"\u003eMulti-layer steel (MLS) construction for durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEngineered for 3.937-inch bore V-twin engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eProvides superior sealing under extreme conditions\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eTwo gaskets per pack for comprehensive service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're assembling a V-twin engine, the head gasket is a critical component that directly impacts performance and reliability. These Cometic head gaskets are engineered with a .040-inch multi-layer steel (MLS) core, providing exceptional sealing integrity for 3.937-inch bore cylinders. The MLS technology is specifically designed to withstand the high temperatures and pressures common in performance V-twin applications, ensuring a long-lasting, leak-free seal.\u003c\/p\u003e\u003ch3\u003eAdvanced Sealing for V-Twin Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDurable multi-layer steel (MLS) construction\u003c\/li\u003e\n\u003cli\u003ePrecisely engineered for 3.937-inch bore V-twin engines\u003c\/li\u003e\n\u003cli\u003eProvides superior sealing against heat and pressure cycling\u003c\/li\u003e\n\u003cli\u003eConvenient 2-pack for complete engine service or spares\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Peak Engine Performance\u003c\/h3\u003e\u003cp\u003eChoosing a high-quality head gasket is paramount for maintaining optimal compression and preventing fluid leaks in your V-twin. The MLS design of these Cometic gaskets ensures a consistent and robust seal, vital for maximizing engine output and longevity. Whether you're undertaking a full engine overhaul or simply replacing worn components, these gaskets provide the reliability and peace of mind you need for confident riding.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10083-040\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Diameter:\u003c\/strong\u003e 3.937 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.040 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.27 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 per pack\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 V-twin engines does this gasket fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis 3.937-inch bore gasket is designed for select V-twin motorcycles. We recommend cross-referencing your engine's specific displacement and bore size with Cometic's fitment information or your service manual 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;\"\u003eWhy is this head gasket sold in a 2-pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThese gaskets are sold in a 2-pack to accommodate the two cylinders of a V-twin engine, making it convenient for a complete engine rebuild or for shops and riders servicing multiple bikes.\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 an OEM part or an upgrade?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eCometic manufactures high-quality replacement gaskets using multi-layer steel (MLS) technology, which provides reliable sealing for both performance and stock V-twin engines, often exceeding OEM performance in demanding 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic .040\\\" MLS Head Gasket 3.937\\\" Bore - Harley \u0026 Indian V-Twin (2-Pack)\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-head-gasket-gaskets-twin-cooled-3-937-040mls-2-pk-68-10083-040\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What V-twin engines does this gasket fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This 3.937-inch bore gasket is designed for select V-twin motorcycles. We recommend cross-referencing your engine's specific displacement and bore size with Cometic's fitment information or your service manual before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Why is this head gasket sold in a 2-pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These gaskets are sold in a 2-pack to accommodate the two cylinders of a V-twin engine, making it convenient for a complete engine rebuild or for shops and riders servicing multiple bikes.\"}},{\"@type\":\"Question\",\"name\":\"Is this an OEM part or an upgrade?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cometic manufactures high-quality replacement gaskets using multi-layer steel (MLS) technology, which provides reliable sealing for both performance and stock V-twin engines, often exceeding OEM performance in demanding applications.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035117117551,"sku":"68-10083-040","price":59.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_acd493ab-ddb9-479c-99a8-e27cb28f755c.png?v=1779560714"},{"product_id":"cometic-head-gasket-gaskets-twin-cooled-4-000-030mls-2-pk-68-10084-030","title":"Cometic Multi-Layer Steel Head Gasket .030\" - Twin Cooled 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eKeep your V-twin sealed tight with a Cometic Multi-Layer Steel (MLS) head gasket. This .030\" thick gasket is specifically engineered for Twin Cooled engine applications, ensuring a reliable seal under the demanding conditions of a performance 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;\"\u003eMulti-Layer Steel (MLS) construction for extreme durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eSpecifically designed for Twin Cooled V-twin engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e0.030\" thickness for optimal compression\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eResists blow-out under high combustion pressures\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eSupplied in a convenient 2-pack for V-twin engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're building or servicing a high-performance V-twin, the head gasket is critical for containing combustion pressures and maintaining engine integrity. Cometic MLS gaskets are trusted by builders for their robust construction and consistent sealing capabilities.\u003c\/p\u003e\u003ch3\u003eEngineered for Twin Cooled Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMulti-layer steel (MLS) construction for superior sealing and durability\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for Twin Cooled V-twin engines\u003c\/li\u003e\n\u003cli\u003e0.030\" compressed thickness provides precise clearance\u003c\/li\u003e\n\u003cli\u003eSold in a 2-pack to service both cylinders of your V-twin\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReliable Sealing for Performance Builds\u003c\/h3\u003e\u003cp\u003eWhether you're doing a top-end refresh or pushing the limits with increased compression, a quality head gasket is non-negotiable. These Cometic MLS gaskets are engineered to resist blow-out and provide a consistent seal across repeated heat cycles, making them ideal for performance Harley-Davidson and Indian Motorcycle engines. Always confirm your engine's bore size and cooling system before ordering to ensure a perfect fit.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10084-030\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191070031053\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e 4.000 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.030 in MLS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 7 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.1 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 these gaskets require any special sealant during installation?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eCometic MLS gaskets are designed to be installed dry. Always follow the torque specifications and procedures outlined in your engine's service manual.\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 gaskets are included in this pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis product includes two head gaskets, which is the correct quantity for one complete V-twin 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 this gasket fit my specific Harley-Davidson or Indian Motorcycle engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket is designed for Twin Cooled V-twin engines. Please confirm your engine's cooling system and bore size using our Shop by Bike tool before ordering to ensure correct 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Multi-Layer Steel Head Gasket .030\\\" - Twin Cooled Harley \u0026 Indian V-Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-head-gasket-gaskets-twin-cooled-4-000-030mls-2-pk-68-10084-030\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Do these gaskets require any special sealant during installation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cometic MLS gaskets are designed to be installed dry. Always follow the torque specifications and procedures outlined in your engine's service manual.\"}},{\"@type\":\"Question\",\"name\":\"How many gaskets are included in this pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This product includes two head gaskets, which is the correct quantity for one complete V-twin engine.\"}},{\"@type\":\"Question\",\"name\":\"Will this gasket fit my specific Harley-Davidson or Indian Motorcycle engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket is designed for Twin Cooled V-twin engines. Please confirm your engine's cooling system and bore size using our Shop by Bike tool before ordering to ensure correct fitment.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035117150319,"sku":"68-10084-030","price":59.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_34db4240-ae1e-4da8-9dd6-1cbfa048e98b.png?v=1779561205"},{"product_id":"cometic-head-gasket-gaskets-twin-cooled-4-000-040mls-2-pk-68-10084-040","title":"Cometic Multi-Layer Steel Head Gasket 4.000\" Bore .040\" - 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eAchieve a reliable seal for your V-twin engine with this Cometic Multi-Layer Steel (MLS) head gasket. With a 4.000\" bore diameter and .040\" thickness, it's built to handle the demands of performance applications.\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;\"\u003eMulti-Layer Steel (MLS) construction for extreme durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e4.000\" bore diameter for precise fitment\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e0.040\" thickness for optimal compression ratio\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eResists blow-out under high combustion pressures\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eComes in a 2-pack for V-twin engine service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're assembling a V-twin motor, the head gasket is a critical component that directly impacts performance and longevity. Cometic MLS gaskets are a top choice for builders thanks to their robust design and ability to maintain a consistent seal under high temperatures and pressures.\u003c\/p\u003e\u003ch3\u003eDurable Multi-Layer Steel Construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4.000\" bore diameter for precise fitment\u003c\/li\u003e\n\u003cli\u003e0.040\" multi-layer steel (MLS) construction for superior sealing\u003c\/li\u003e\n\u003cli\u003eResists blow-out and maintains seal through heat cycles\u003c\/li\u003e\n\u003cli\u003eSupplied in a 2-pack, ideal for V-twin engine builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Engine Rebuilds\u003c\/h3\u003e\u003cp\u003eWhether you're performing routine maintenance or building a custom V-twin engine, a high-quality head gasket is essential. This Cometic MLS gasket offers the durability and sealing performance needed for Harley-Davidson and Indian Motorcycle engines. Always verify your engine's specific bore diameter before ordering to ensure proper fit and optimal sealing.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10084-040\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Diameter:\u003c\/strong\u003e 4.000 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.040 in MLS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 per pack\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;\"\u003eWhat does MLS construction mean?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMLS stands for Multi-Layer Steel. This design uses multiple layers of steel to create a highly durable and reliable seal that can withstand extreme engine conditions.\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;\"\u003eWhy is this gasket sold in a 2-pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eV-twin engines use two head gaskets, one for each cylinder. The 2-pack provides a complete set for your engine rebuild or service.\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 specific Harley-Davidson or Indian Motorcycle engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket is designed for V-twin engines with a 4.000\" bore. Please confirm your engine's bore size using our Shop by Bike tool before ordering to ensure correct 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Multi-Layer Steel Head Gasket 4.000\\\" Bore .040\\\" - Harley \u0026 Indian V-Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-head-gasket-gaskets-twin-cooled-4-000-040mls-2-pk-68-10084-040\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does MLS construction mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MLS stands for Multi-Layer Steel. This design uses multiple layers of steel to create a highly durable and reliable seal that can withstand extreme engine conditions.\"}},{\"@type\":\"Question\",\"name\":\"Why is this gasket sold in a 2-pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"V-twin engines use two head gaskets, one for each cylinder. The 2-pack provides a complete set for your engine rebuild or service.\"}},{\"@type\":\"Question\",\"name\":\"Will this fit my specific Harley-Davidson or Indian Motorcycle engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket is designed for V-twin engines with a 4.000\\\" bore. Please confirm your engine's bore size using our Shop by Bike tool before ordering to ensure correct fitment.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035117969519,"sku":"68-10084-040","price":59.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_235dbd58-f785-40bd-8def-fd3497c43334.png?v=1779560713"},{"product_id":"cometic-head-gasket-gaskets-twin-cooled-4-060-036mls-2-pk-68-10085-036","title":"Cometic Multi-Layer Steel Head Gasket 4.060\" Bore .036\" - Twin Cooled 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eEnsure maximum sealing integrity for your Twin Cooled V-twin engine with this Cometic Multi-Layer Steel (MLS) head gasket. Sized at 4.060\" bore with a .036\" thickness, it's engineered to handle the demands of high-performance builds.\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;\"\u003eMulti-Layer Steel (MLS) construction for extreme durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e4.060\" bore diameter for big bore applications\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e0.036\" thickness for optimal compression\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for Twin Cooled V-twin engine configurations\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eResists blow-out under high combustion pressures\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eComes in a 2-pack for V-twin engine service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen pushing the limits of your V-twin, every component matters, especially the head gasket. Cometic MLS gaskets are a proven solution for maintaining a tight seal under extreme combustion pressures and temperatures, critical for modified or high-output engines.\u003c\/p\u003e\u003ch3\u003eHigh-Performance Sealing for Twin Cooled Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4.060\" bore diameter for big bore applications\u003c\/li\u003e\n\u003cli\u003e0.036\" MLS (multi-layer steel) construction for durability\u003c\/li\u003e\n\u003cli\u003eSpecifically designed for Twin Cooled V-twin engines\u003c\/li\u003e\n\u003cli\u003eResists blow-out and maintains seal through heat cycles\u003c\/li\u003e\n\u003cli\u003eSold in a 2-pack for complete engine service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCritical for Modified and Rebuilt Engines\u003c\/h3\u003e\u003cp\u003eWhether you're assembling a fresh big-bore motor or simply replacing gaskets during a top-end service, this Cometic MLS head gasket provides the confidence you need. Its robust construction is ideal for Harley-Davidson and Indian Motorcycle V-twins, particularly those with Twin Cooled heads and larger bores. Always verify your engine's bore size and cooling system configuration before ordering to ensure a perfect fit.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10085-036\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Diameter:\u003c\/strong\u003e 4.060\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.036\" MLS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 per pack\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 MLS construction mean for my engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMLS (Multi-Layer Steel) gaskets use multiple steel layers to provide a stronger, more consistent seal that better withstands high combustion pressures and thermal cycling compared to traditional gaskets.\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 gaskets are included in this package?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis product contains two head gaskets, which is the correct quantity to service both cylinders of a V-twin 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 this fit my specific Harley-Davidson or Indian Motorcycle engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket is designed for Twin Cooled V-twin engines with a 4.060\" bore. Please confirm your engine's bore size and cooling system with our Shop by Bike tool 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Multi-Layer Steel Head Gasket 4.060\\\" Bore .036\\\" - Twin Cooled Harley \u0026 Indian V-Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-head-gasket-gaskets-twin-cooled-4-060-036mls-2-pk-68-10085-036\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does MLS construction mean for my engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MLS (Multi-Layer Steel) gaskets use multiple steel layers to provide a stronger, more consistent seal that better withstands high combustion pressures and thermal cycling compared to traditional gaskets.\"}},{\"@type\":\"Question\",\"name\":\"How many gaskets are included in this package?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This product contains two head gaskets, which is the correct quantity to service both cylinders of a V-twin engine.\"}},{\"@type\":\"Question\",\"name\":\"Will this fit my specific Harley-Davidson or Indian Motorcycle engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket is designed for Twin Cooled V-twin engines with a 4.060\\\" bore. Please confirm your engine's bore size and cooling system with our Shop by Bike tool before ordering.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035118002287,"sku":"68-10085-036","price":59.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_cbca0019-7c64-4e25-a021-65cc4b0781f7.png?v=1779560670"},{"product_id":"cometic-head-gasket-gaskets-twin-cooled-4-125-030mls-2-pk-68-10086-030","title":"Cometic Multi-Layer Steel Head Gasket 4.125\" Bore .030\" - Twin Cooled 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eSecure a superior seal for your Twin Cooled V-twin engine with this Cometic Multi-Layer Steel (MLS) head gasket. Engineered with a 4.125\" bore and a .030\" compressed thickness, it's designed for consistent performance in demanding applications.\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;\"\u003eMulti-Layer Steel (MLS) construction for extreme durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e4.125\" bore diameter for specific engine builds\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e0.030\" thickness for optimal compression\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for Twin Cooled V-twin engine configurations\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eResists blow-out under high combustion pressures\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eComes in a 2-pack for V-twin engine service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen building or servicing a high-output V-twin engine, especially those with Twin Cooled cylinder heads, the integrity of your head gaskets is paramount. Cometic MLS gaskets are a preferred choice among performance builders for their ability to withstand intense combustion pressures and thermal cycling, preventing blow-outs and ensuring consistent power delivery.\u003c\/p\u003e\u003ch3\u003eOptimized for Twin Cooled Engine Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMulti-layer steel (MLS) construction for maximum durability and sealing\u003c\/li\u003e\n\u003cli\u003e4.125\" bore diameter for specific engine configurations\u003c\/li\u003e\n\u003cli\u003e0.030\" compressed thickness for precise head clearance\u003c\/li\u003e\n\u003cli\u003eEngineered for Twin Cooled V-twin cylinder heads\u003c\/li\u003e\n\u003cli\u003eSold in a 2-pack, providing gaskets for both cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Strong Engine Build\u003c\/h3\u003e\u003cp\u003eA reliable head gasket is the foundation of a strong, leak-free engine. These Cometic MLS gaskets are designed to meet the rigorous demands of custom Harley-Davidson and Indian Motorcycle V-twin builds, particularly those utilizing Twin Cooled technology. Always confirm your specific engine's bore size and cooling system configuration to ensure perfect fitment and optimal sealing 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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10086-030\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e .030\" MLS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Diameter:\u003c\/strong\u003e 4.125\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6.9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.3 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.195 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 per pack\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 gaskets are included in this pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis package contains two complete head gaskets, which is the necessary quantity for one V-twin 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;\"\u003eWhat does MLS construction mean?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMLS (Multi-Layer Steel) gaskets utilize multiple layers of steel, offering superior sealing reliability and resistance to extreme heat and pressure compared to single-layer gaskets.\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 specific Harley-Davidson or Indian Motorcycle engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket is designed for V-twin engines with Twin Cooled heads and a 4.125\" bore. Please verify your engine type and bore size using our Shop by Bike tool 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Multi-Layer Steel Head Gasket 4.125\\\" Bore .030\\\" - Twin Cooled Harley \u0026 Indian V-Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-head-gasket-gaskets-twin-cooled-4-125-030mls-2-pk-68-10086-030\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many gaskets are included in this pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This package contains two complete head gaskets, which is the necessary quantity for one V-twin engine.\"}},{\"@type\":\"Question\",\"name\":\"What does MLS construction mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MLS (Multi-Layer Steel) gaskets utilize multiple layers of steel, offering superior sealing reliability and resistance to extreme heat and pressure compared to single-layer gaskets.\"}},{\"@type\":\"Question\",\"name\":\"Will this fit my specific Harley-Davidson or Indian Motorcycle engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket is designed for V-twin engines with Twin Cooled heads and a 4.125\\\" bore. Please verify your engine type and bore size using our Shop by Bike tool before ordering.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035118067823,"sku":"68-10086-030","price":59.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_1c0565e4-67b2-40c0-aad8-f3904f1db9c9.png?v=1779560671"},{"product_id":"cometic-head-gasket-gaskets-twin-cooled-4-060-040mls-2-pk-68-10085-040","title":"Cometic Multi-Layer Steel Head Gasket 4.060\" Bore .040\" - 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eGet a reliable, durable seal for your V-twin engine with this Cometic Multi-Layer Steel (MLS) head gasket. Featuring a 4.060\" bore diameter and a .040\" thickness, it's engineered for 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;\"\u003eMulti-Layer Steel (MLS) construction for extreme durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e4.060\" bore diameter for big bore applications\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e0.040\" thickness for optimal compression\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eResists blow-out under high combustion pressures\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eComes in a 2-pack for V-twin engine service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen building or servicing a V-twin motor, especially those with larger bores, the head gasket is crucial for containing combustion pressures and preventing leaks. Cometic MLS gaskets are a go-to choice for performance applications due to their proven ability to provide a consistent, long-lasting seal under extreme conditions.\u003c\/p\u003e\u003ch3\u003eSuperior Sealing for Big Bore V-Twins\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMulti-layer steel (MLS) construction for maximum durability and sealing\u003c\/li\u003e\n\u003cli\u003e4.060\" bore diameter for big bore engine configurations\u003c\/li\u003e\n\u003cli\u003e0.040\" thickness for optimal compression and clearance\u003c\/li\u003e\n\u003cli\u003eResists blow-out and maintains integrity through heat cycles\u003c\/li\u003e\n\u003cli\u003eSold in a 2-pack, providing gaskets for both cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Performance Engine Builds\u003c\/h3\u003e\u003cp\u003eWhether you're doing a routine top-end service or upgrading to a big-bore kit, a high-quality head gasket is non-negotiable. This Cometic MLS gasket offers the robust construction and sealing performance needed for Harley-Davidson and Indian Motorcycle V-twin engines. Always confirm your specific engine's bore diameter before ordering to ensure correct fitment and optimal sealing.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10085-040\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Diameter:\u003c\/strong\u003e 4.060\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.040\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 per pack\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 MLS construction mean?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eMLS stands for Multi-Layer Steel. This gasket design uses multiple layers of steel to provide a superior and more durable seal that can withstand high combustion pressures and extreme temperatures.\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;\"\u003eWhy is this gasket sold in a 2-pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eV-twin engines require two head gaskets, one for each cylinder. The 2-pack provides a complete set for your engine service or 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 my specific Harley-Davidson or Indian Motorcycle engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket is designed for V-twin engines with a 4.060\" bore. Please confirm your engine's bore size using our Shop by Bike tool before ordering to ensure correct 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Multi-Layer Steel Head Gasket 4.060\\\" Bore .040\\\" - Harley \u0026 Indian V-Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-head-gasket-gaskets-twin-cooled-4-060-040mls-2-pk-68-10085-040\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does MLS construction mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MLS stands for Multi-Layer Steel. This gasket design uses multiple layers of steel to provide a superior and more durable seal that can withstand high combustion pressures and extreme temperatures.\"}},{\"@type\":\"Question\",\"name\":\"Why is this gasket sold in a 2-pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"V-twin engines require two head gaskets, one for each cylinder. The 2-pack provides a complete set for your engine service or rebuild.\"}},{\"@type\":\"Question\",\"name\":\"Will this fit my specific Harley-Davidson or Indian Motorcycle engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket is designed for V-twin engines with a 4.060\\\" bore. Please confirm your engine's bore size using our Shop by Bike tool before ordering to ensure correct fitment.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035118100591,"sku":"68-10085-040","price":59.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_ce3bb041-c8af-40eb-81c0-264c25134e79.png?v=1779560678"},{"product_id":"cometic-sportster-head-base-gasket-evo-sportster-2-pk-oe-16774-86d-68-9008","title":"Cometic Head\/Base Gasket 2-Pack - Harley EVO 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eKeep your EVO Sportster running strong with this Cometic head and base gasket set. Sold as a two-pack, these gaskets are engineered to provide a reliable seal for combustion and oil passages.\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;\"\u003eDirect OEM-equivalent replacement\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEngineered to seal combustion and oil passages\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrevents blowby and leaks\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eTwo gaskets included per pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're wrenching on your EVO Sportster, reliable gaskets are crucial to prevent blowby and leaks. This Cometic head and base gasket set is a direct replacement, designed to meet OEM specifications for a precise fit and lasting seal.\u003c\/p\u003e\u003ch3\u003eEngineered for Reliable Sealing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM-equivalent replacement for a perfect fit\u003c\/li\u003e\n\u003cli\u003eEngineered to seal combustion and oil passages securely\u003c\/li\u003e\n\u003cli\u003eFormulated to prevent blowby and leaks under V-twin operating conditions\u003c\/li\u003e\n\u003cli\u003eTwo gaskets per pack, enough for one engine rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRestore Your EVO Sportster's Integrity\u003c\/h3\u003e\u003cp\u003eWhether you're performing routine maintenance or a full rebuild, using quality gaskets ensures the longevity and performance of your EVO Sportster engine. These Cometic gaskets are a solid choice for riders who demand dependable sealing without compromise, helping to maintain peak engine efficiency and prevent costly oil or compression issues.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9008\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Part #:\u003c\/strong\u003e 16774-86D\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.1233 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 gaskets are included in this pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis pack contains two complete head and base gaskets, which is enough for one 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 my Twin Cam or Milwaukee-Eight Sportster?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this gasket set is specifically designed for EVO Sportster engines. Twin Cam and Milwaukee-Eight Sportster models require different part numbers.\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 genuine Harley-Davidson OEM gasket?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eCometic manufactures this gasket to OEM specifications, making it a direct replacement for the original Harley-Davidson part.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Head\/Base Gasket 2-Pack - Harley EVO Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-sportster-head-base-gasket-evo-sportster-2-pk-oe-16774-86d-68-9008\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many gaskets are included in this pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This pack contains two complete head and base gaskets, which is enough for one engine rebuild.\"}},{\"@type\":\"Question\",\"name\":\"Will this fit my Twin Cam or Milwaukee-Eight Sportster?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this gasket set is specifically designed for EVO Sportster engines. Twin Cam and Milwaukee-Eight Sportster models require different part numbers.\"}},{\"@type\":\"Question\",\"name\":\"Is this a genuine Harley-Davidson OEM gasket?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cometic manufactures this gasket to OEM specifications, making it a direct replacement for the original Harley-Davidson part.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035118887023,"sku":"68-9008","price":5.92,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_bc7a4432-0158-4d04-80f4-00dcb0724b52.png?v=1779560674"},{"product_id":"cometic-evo-big-twin-twin-cam-primary-housing-gasket-2007-2017-10-pk-68-10122","title":"Cometic Primary Housing Gasket 10-Pack - Harley Evo Big Twin \u0026 Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eMaintain a leak-free primary on your Harley Evo Big Twin or Twin Cam with this Cometic primary housing gasket. This 10-pack is ideal for shops or riders who perform frequent maintenance.\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;\"\u003e10-pack for multiple services or spares\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFor Evo and Twin Cam big-twin engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDirect OEM replacement gasket\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEngineered to seal the primary cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA reliable primary housing gasket is essential to prevent leaks and keep your V-twin running smoothly. Cometic offers this primary gasket specifically for Evolution and Twin Cam big-twin engines, engineered to provide a consistent seal across various operating conditions and thermal cycles.\u003c\/p\u003e\u003ch3\u003eBulk Pack for Shops and Enthusiasts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConvenient 10-pack quantity for multiple services or stocking spares\u003c\/li\u003e\n\u003cli\u003eDesigned for Evolution and Twin Cam big-twin engines\u003c\/li\u003e\n\u003cli\u003eDirect OEM replacement gasket for consistent fitment\u003c\/li\u003e\n\u003cli\u003eEngineered to prevent leaks from the primary cover\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKeep Your Primary Sealed Tight\u003c\/h3\u003e\u003cp\u003eWhether you're a professional mechanic or a dedicated rider who handles your own maintenance, having a supply of quality primary gaskets on hand saves time and ensures you're always ready for a fluid change or service. This Cometic 10-pack provides the peace of mind that comes with knowing you have the right parts for a proper, leak-free primary seal every time.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10122\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 4.5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 3.5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.4 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.01 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 gasket fit my Sportster?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this primary housing gasket is specifically for Evo Big Twin and Twin Cam engines. Sportster models use a different primary gasket.\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;\"\u003eWhy is this gasket sold in a 10-pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThe 10-pack quantity is designed for shops, fleet owners, or riders who frequently perform maintenance and want to stock spares for future use.\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 an OEM Harley-Davidson gasket?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eCometic manufactures these gaskets to meet or exceed OEM specifications, providing a direct replacement for the factory part.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Primary Housing Gasket 10-Pack - Harley Evo Big Twin \u0026 Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-evo-big-twin-twin-cam-primary-housing-gasket-2007-2017-10-pk-68-10122\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this gasket fit my Sportster?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this primary housing gasket is specifically for Evo Big Twin and Twin Cam engines. Sportster models use a different primary gasket.\"}},{\"@type\":\"Question\",\"name\":\"Why is this gasket sold in a 10-pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 10-pack quantity is designed for shops, fleet owners, or riders who frequently perform maintenance and want to stock spares for future use.\"}},{\"@type\":\"Question\",\"name\":\"Is this an OEM Harley-Davidson gasket?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cometic manufactures these gaskets to meet or exceed OEM specifications, providing a direct replacement for the factory part.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035118952559,"sku":"68-10122","price":15.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_16be5db7-99fa-4eff-927b-bde778985f8f.png?v=1779561216"},{"product_id":"cometic-twin-cam-carb-efi-gasket-2011-2014-10-pk-68-10114","title":"Cometic Carb\/EFI Gasket 10-Pack - Harley Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eMaintain proper air\/fuel mixture and prevent leaks with this Cometic carb\/EFI gasket for Harley Twin Cam V-twin motorcycles. This 10-pack is ideal for shops and riders who frequently service multiple bikes.\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;\"\u003e10-pack for multiple services\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eTwin Cam carb\/EFI compatible\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eOEM-replacement spec for consistent sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for Harley V-twin engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA proper seal at the carburetor or EFI manifold is critical for your Twin Cam engine's performance. These Cometic gaskets are engineered to provide consistent sealing across various thermal cycles, preventing vacuum leaks or unmetered air that can throw off your tune.\u003c\/p\u003e\u003ch3\u003eBulk Supply for Consistent Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConvenient 10-pack for shops, fleets, or multi-bike owners\u003c\/li\u003e\n\u003cli\u003eCompatible with both carburetor and EFI Twin Cam setups\u003c\/li\u003e\n\u003cli\u003eOEM-replacement specification for reliable sealing integrity\u003c\/li\u003e\n\u003cli\u003eDesigned for Harley V-twin engine applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKeep Your Twin Cam Running Right\u003c\/h3\u003e\u003cp\u003eWhether you're tuning, upgrading, or simply performing routine maintenance, a fresh manifold gasket is a small but vital component. This Cometic 10-pack ensures you have a consistent supply of quality gaskets, helping you maintain optimal engine performance and a reliable seal on your Harley Twin Cam, whether it's carbureted or fuel-injected.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C10114\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 7.3 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.09 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 gasket fit my Harley Twin Cam?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this gasket is specifically designed for Harley Twin Cam engines, compatible with both carburetor and EFI setups. Always verify your engine type 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;\"\u003eWhy are these gaskets sold in 10-packs?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThe 10-pack quantity is intended for shops, multi-bike fleets, or riders who perform frequent maintenance and want to keep spares readily available.\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 an OEM-equivalent gasket?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eCometic manufactures these gaskets to OEM specifications, ensuring they are a direct replacement and provide reliable sealing for Twin Cam 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Carb\/EFI Gasket 10-Pack - Harley Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-carb-efi-gasket-2011-2014-10-pk-68-10114\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this gasket fit my Harley Twin Cam?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this gasket is specifically designed for Harley Twin Cam engines, compatible with both carburetor and EFI setups. Always verify your engine type before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Why are these gaskets sold in 10-packs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 10-pack quantity is intended for shops, multi-bike fleets, or riders who perform frequent maintenance and want to keep spares readily available.\"}},{\"@type\":\"Question\",\"name\":\"Is this an OEM-equivalent gasket?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cometic manufactures these gaskets to OEM specifications, ensuring they are a direct replacement and provide reliable sealing for Twin Cam engines.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035119018095,"sku":"68-10114","price":19.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_359a91d2-7b21-4d40-9bff-4dd0aa62ed38.png?v=1779560670"},{"product_id":"cometic-head-gasket-4-060-bore-twin-cam-2-pk-68-9070-040","title":"Cometic Head Gasket 4.060\" Bore 2-Pack - Harley Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen rebuilding or upgrading your Harley Twin Cam, a quality head gasket is non-negotiable. This Cometic head gasket set for 4.060\" bore V-twin engines comes in a two-pack, ready for your next project.\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;\"\u003eFor 4.060\" bore Twin Cam engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBuilt for high-performance V-twins\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eTwo gaskets included per pack\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMaintains OEM-level sealing integrity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese Cometic head gaskets are built to handle the demands of modern high-performance V-twin engines while maintaining OEM-level sealing integrity. Critical for proper compression and preventing coolant or oil leaks, these gaskets are a solid foundation for any top-end work on your Harley Twin Cam.\u003c\/p\u003e\u003ch3\u003eEngineered for High-Performance V-Twins\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 4.060\" bore Twin Cam V-twin engines\u003c\/li\u003e\n\u003cli\u003eBuilt to maintain reliable sealing under high-performance conditions\u003c\/li\u003e\n\u003cli\u003eTwo gaskets included per pack for a complete engine service\u003c\/li\u003e\n\u003cli\u003eEnsures proper compression and prevents fluid leaks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReliable Sealing for Your Top End\u003c\/h3\u003e\u003cp\u003eWhether you're installing new cylinders, upgrading your cams, or simply refreshing your top end, using the correct bore-specific head gasket is essential. This Cometic 2-pack provides the precision and durability needed for a reliable seal, ensuring your Harley Twin Cam performs as it should without compromise. Always confirm your engine's 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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9070-040\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e 4.060\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 per pack\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 bore size is this gasket for?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis Cometic head gasket is specifically sized for 4.060\" bore V-twin engines. Please verify your engine bore matches this specification before installing.\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 gaskets are included in a pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eEach pack contains two head gaskets, which is enough for one complete engine rebuild or top-end service.\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 or Indian?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket fits V-twin engines with a 4.060\" bore. Please confirm your specific make, model, and year match this bore size before ordering to ensure correct 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Head Gasket 4.060\\\" Bore 2-Pack - Harley Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-head-gasket-4-060-bore-twin-cam-2-pk-68-9070-040\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What bore size is this gasket for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This Cometic head gasket is specifically sized for 4.060\\\" bore V-twin engines. Please verify your engine bore matches this specification before installing.\"}},{\"@type\":\"Question\",\"name\":\"How many gaskets are included in a pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Each pack contains two head gaskets, which is enough for one complete engine rebuild or top-end service.\"}},{\"@type\":\"Question\",\"name\":\"Will this fit my Harley or Indian?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket fits V-twin engines with a 4.060\\\" bore. Please confirm your specific make, model, and year match this bore size before ordering to ensure correct fitment.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035119050863,"sku":"68-9070-040","price":59.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_6422181f-5a37-4fb3-834f-791568e070a0.png?v=1779560678"},{"product_id":"cometic-head-gasket-4-250-bore-twin-cam-2-pk-68-9076-030","title":"Cometic Head Gasket 4.250\" Bore 2-Pack - Harley Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eFor Twin Cam V-twin engines with a 4.250\" bore, this Cometic head gasket 2-pack provides the reliable seal you need. Engineered for high-performance applications, these gaskets are a critical component for any engine work.\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;\"\u003eFor 4.250\" bore Twin Cam engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eOEM-replacement gasket design\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEngineered for reliable sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eTwo gaskets included per pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're pushing the limits of your Twin Cam, a robust head gasket is essential for maintaining compression and preventing leaks. Cometic delivers with these OEM-replacement gaskets, specifically designed for 4.250\" bore cylinders to ensure a precise fit and lasting seal even in demanding conditions.\u003c\/p\u003e\u003ch3\u003ePrecision Sealing for Big Bore Twin Cams\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 4.250\" bore Twin Cam V-twin engines\u003c\/li\u003e\n\u003cli\u003eOEM-replacement gasket engineered for reliable sealing\u003c\/li\u003e\n\u003cli\u003eTwo gaskets per pack for a complete engine service\u003c\/li\u003e\n\u003cli\u003eSupports high-performance engine applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSecure Your Top End Performance\u003c\/h3\u003e\u003cp\u003eWhether you're performing a top-end refresh or installing larger cylinders, selecting the correct bore-specific head gasket is paramount. This Cometic 2-pack offers the peace of mind that comes with using quality components, ensuring your Harley Twin Cam maintains optimal compression and a leak-free top end for consistent power delivery.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9076-030\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e 4.250\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.3888 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 included in the 2-pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThe 2-pack contains two complete head gaskets, which is enough for one engine rebuild or to keep a spare on hand.\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 Twin Cam?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, if your Harley Twin Cam engine has a 4.250\" bore. It is crucial to check your engine specifications or consult your service manual to confirm 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 an OEM Cometic gasket?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, Cometic manufactures these gaskets to match OEM specifications for Twin Cam head sealing, ensuring quality and 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Head Gasket 4.250\\\" Bore 2-Pack - Harley Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-head-gasket-4-250-bore-twin-cam-2-pk-68-9076-030\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What's included in the 2-pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 2-pack contains two complete head gaskets, which is enough for one engine rebuild or to keep a spare on hand.\"}},{\"@type\":\"Question\",\"name\":\"Will this fit my Harley Twin Cam?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, if your Harley Twin Cam engine has a 4.250\\\" bore. It is crucial to check your engine specifications or consult your service manual to confirm bore size before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Is this an OEM Cometic gasket?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, Cometic manufactures these gaskets to match OEM specifications for Twin Cam head sealing, ensuring quality and fitment.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035119083631,"sku":"68-9076-030","price":59.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_e29258ea-b469-4290-b244-faf6c66a8499.png?v=1779561212"},{"product_id":"cometic-head-gasket-4-060-bore-twin-cam-2-pk-68-9070-030","title":"Cometic Head Gasket 4.060\" Bore 2-Pack - Harley Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen upgrading or servicing your Harley Twin Cam, a dependable head gasket is crucial. This Cometic head gasket for 4.060\" bore Twin Cam V-twin engines is sold in a 2-pack, offering a reliable seal for high-performance builds.\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;\"\u003eFor 4.060\" bore Twin Cam engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBuilt with modern gasket materials\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eSupports higher performance levels\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eTwo gaskets included per pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBuilt with modern gasket materials and precision manufacturing, these Cometic head gaskets ensure reliable sealing at higher performance levels. Essential for maintaining engine compression and preventing oil or coolant leaks, these gaskets are a vital component for any top-end work on your Harley Twin Cam.\u003c\/p\u003e\u003ch3\u003eAdvanced Sealing for Twin Cam Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 4.060\" bore Twin Cam V-twin engines\u003c\/li\u003e\n\u003cli\u003eManufactured with modern gasket materials for durability\u003c\/li\u003e\n\u003cli\u003eSupports reliable sealing even at higher performance levels\u003c\/li\u003e\n\u003cli\u003eTwo gaskets included per pack for a complete top-end service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSecure Your Engine's Performance\u003c\/h3\u003e\u003cp\u003eProper head gasket selection and installation are key to engine longevity and performance. This Cometic 2-pack provides the quality and precision needed for a secure, leak-free seal on your Harley Twin Cam. Always verify your engine's bore size before ordering to ensure correct fitment and consult your service manual for proper torque specifications during installation.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9070-030\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191070031077\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e 4.060\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 6.9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.09 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 gaskets are included in a pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eEach pack contains two head gaskets, which is enough for one complete head service.\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 with a Milwaukee-Eight (M8) engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this part is specifically for Twin Cam engines. Milwaukee-Eight (M8) engines require a different bore-specific head gasket.\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 retorque the head after installation?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, it is crucial to follow your engine manual's head bolt torque sequence and specifications after installation. Improper torque can lead to leaks.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Head Gasket 4.060\\\" Bore 2-Pack - Harley Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-head-gasket-4-060-bore-twin-cam-2-pk-68-9070-030\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many gaskets are included in a pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Each pack contains two head gaskets, which is enough for one complete head service.\"}},{\"@type\":\"Question\",\"name\":\"Will this fit my Harley with a Milwaukee-Eight (M8) engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this part is specifically for Twin Cam engines. Milwaukee-Eight (M8) engines require a different bore-specific head gasket.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to retorque the head after installation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, it is crucial to follow your engine manual's head bolt torque sequence and specifications after installation. Improper torque can lead to leaks.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035119149167,"sku":"68-9070-030","price":59.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_a15d438b-af21-44b5-a818-d55ac90773d7.png?v=1779560673"},{"product_id":"cometic-head-gasket-4-250-bore-twin-cam-2-pk-68-9076-040","title":"Cometic Head Gasket 4.250\" Bore Twin Cam - Harley Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen you're wrenching on a Twin Cam, a reliable head gasket is non-negotiable. These Cometic head gaskets are engineered to provide a consistent seal across the 4.250-inch bore, crucial for maintaining compression and preventing leaks in high-performance V-Twin applications. Sold in a two-pack, you'll have both gaskets needed to get your heads back on and sealed tight.\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;\"\u003eDesigned for 4.250-inch bore Twin Cam motors\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEnsures consistent sealing for high-performance builds\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eSupplied as a 2-pack for complete head service\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBuilt with modern, durable gasket materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're wrenching on a Twin Cam, a reliable head gasket is non-negotiable. These Cometic head gaskets are engineered to provide a consistent seal across the 4.250-inch bore, crucial for maintaining compression and preventing leaks in high-performance V-Twin applications. Sold in a two-pack, you'll have both gaskets needed to get your heads back on and sealed tight.\u003c\/p\u003e\u003ch3\u003eEngineered for Performance and Durability\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 4.250-inch bore Twin Cam engines\u003c\/li\u003e\n\u003cli\u003eEnsures consistent sealing under demanding conditions\u003c\/li\u003e\n\u003cli\u003eSupplied as a 2-pack for complete cylinder head service\u003c\/li\u003e\n\u003cli\u003eBuilt with modern gasket materials for longevity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Solid Build\u003c\/h3\u003e\u003cp\u003eWhether you're doing a top-end refresh or a full build, the quality of your head gaskets directly impacts engine reliability. These Cometic gaskets are a smart choice for any Twin Cam owner looking for a dependable seal. Pair them with fresh head bolts for optimal clamping force and peace of mind 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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9076-040\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Diameter:\u003c\/strong\u003e 4.250 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6.05 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.3 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.08 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;\"\u003eWhy is this head gasket sold in a 2-pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eTwin Cam engines feature two cylinder heads, so this pack provides both head gaskets required for a complete top-end job or 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 gasket fit my specific Harley-Davidson model?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket is designed for Twin Cam engines with a 4.250-inch bore. Please verify your engine's bore size before ordering to ensure proper compatibility.\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 it necessary to use new head bolts with these gaskets?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eIt is highly recommended to use new head bolts during installation. New fasteners ensure the proper clamping load for an optimal seal and long-term integrity.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Head Gasket 4.250\\\" Bore Twin Cam - Harley Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-head-gasket-4-250-bore-twin-cam-2-pk-68-9076-040\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Why is this head gasket sold in a 2-pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Twin Cam engines feature two cylinder heads, so this pack provides both head gaskets required for a complete top-end job or engine rebuild.\"}},{\"@type\":\"Question\",\"name\":\"Will this gasket fit my specific Harley-Davidson model?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket is designed for Twin Cam engines with a 4.250-inch bore. Please verify your engine's bore size before ordering to ensure proper compatibility.\"}},{\"@type\":\"Question\",\"name\":\"Is it necessary to use new head bolts with these gaskets?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is highly recommended to use new head bolts during installation. New fasteners ensure the proper clamping load for an optimal seal and long-term integrity.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035119116399,"sku":"68-9076-040","price":59.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_c6391f97-96de-4cd8-a663-70e1c0d4b4a8.png?v=1779560677"},{"product_id":"cometic-evo-big-twin-twin-cam-base-gasket-gasket-twin-cam-1999-2010-010-2-68-9110-010","title":"Cometic Base Gasket 0.010\" Twin Cam \u0026 Evo Big Twin - Harley Twin Cam \u0026 Evo","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen you're tearing down an Evo Big Twin or Twin Cam motor, don't skimp on the base gaskets. This Cometic base gasket is engineered with modern materials to ensure a precise, leak-free seal at the engine case, meeting OEM specifications for a reliable rebuild. At 0.010\" thick, it's designed to maintain proper clearances and prevent oil leaks.\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 Evo Big Twin and Twin Cam engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eProvides a reliable seal at the engine case base\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003e0.010\" thickness for precise fitment\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBuilt with modern, high-quality gasket materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're tearing down an Evo Big Twin or Twin Cam motor, don't skimp on the base gaskets. This Cometic base gasket is engineered with modern materials to ensure a precise, leak-free seal at the engine case, meeting OEM specifications for a reliable rebuild. At 0.010\" thick, it's designed to maintain proper clearances and prevent oil leaks.\u003c\/p\u003e\u003ch3\u003ePrecision Sealing for V-Twin Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngineered for Evo Big Twin and Twin Cam engines\u003c\/li\u003e\n\u003cli\u003eProvides a critical seal at the engine case base\u003c\/li\u003e\n\u003cli\u003eConstructed with modern, durable gasket materials\u003c\/li\u003e\n\u003cli\u003eMaintains precise engine clearances with 0.010\" thickness\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Engine Rebuilds\u003c\/h3\u003e\u003cp\u003eA fresh base gasket is essential for any engine disassembly or rebuild. Cometic's commitment to quality means this gasket will stand up to the demands of your Harley-Davidson. Ensure you verify the required thickness for your specific engine application to achieve the best possible seal and prevent future issues.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9110-010\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.010\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 7.3 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 6.1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.06 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 models does this Cometic base gasket fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket is designed for Evo Big Twin and Twin Cam engines, specifically for Harley-Davidson models from 1999 to 2010.\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 thickness of this base gasket?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket has a thickness of 0.010 inches. It's important to confirm this thickness matches your engine's requirements before placing an order.\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;\"\u003eShould I replace the base gasket during an engine rebuild?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, Cometic strongly recommends replacing the base gasket whenever the engine case is disassembled. This ensures a proper, leak-free seal and prevents potential oil leaks.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Base Gasket 0.010\\\" Twin Cam \u0026 Evo Big Twin - Harley Twin Cam \u0026 Evo\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-evo-big-twin-twin-cam-base-gasket-gasket-twin-cam-1999-2010-010-2-68-9110-010\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine models does this Cometic base gasket fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket is designed for Evo Big Twin and Twin Cam engines, specifically for Harley-Davidson models from 1999 to 2010.\"}},{\"@type\":\"Question\",\"name\":\"What is the thickness of this base gasket?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket has a thickness of 0.010 inches. It's important to confirm this thickness matches your engine's requirements before placing an order.\"}},{\"@type\":\"Question\",\"name\":\"Should I replace the base gasket during an engine rebuild?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, Cometic strongly recommends replacing the base gasket whenever the engine case is disassembled. This ensures a proper, leak-free seal and prevents potential oil leaks.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035119968367,"sku":"68-9110-010","price":31.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_83b1cf00-9f4b-44eb-9830-ce68a9f84c75.png?v=1779560716"},{"product_id":"cometic-intake-exhaust-gasket-1-pk-oe-27002-89-68-9088","title":"Cometic Intake\/Exhaust Gasket OE#27002-89 - 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eA proper seal at the intake and exhaust ports is crucial for any V-twin, and this Cometic gasket delivers. Engineered to withstand the high heat and pressure of your motorcycle's engine, it provides a reliable seal for both intake and exhaust manifolds. This gasket is a direct replacement for OE #27002-89, making it a straightforward upgrade for many Harley-Davidson and Indian Motorcycle applications.\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;\"\u003eEngineered for high-heat intake and exhaust ports\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eProvides a reliable seal under pressure\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDirect replacement for OE #27002-89\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eUtilizes Cometic's advanced gasket technology\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA proper seal at the intake and exhaust ports is crucial for any V-twin, and this Cometic gasket delivers. Engineered to withstand the high heat and pressure of your motorcycle's engine, it provides a reliable seal for both intake and exhaust manifolds. This gasket is a direct replacement for OE #27002-89, making it a straightforward upgrade for many Harley-Davidson and Indian Motorcycle applications.\u003c\/p\u003e\u003ch3\u003eReliable Sealing for Intake and Exhaust\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngineered for high-heat and high-pressure environments\u003c\/li\u003e\n\u003cli\u003eProvides a critical seal for both intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OE part number 27002-89\u003c\/li\u003e\n\u003cli\u003eFeatures Cometic's proven gasket technology\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaintain Peak Engine Performance\u003c\/h3\u003e\u003cp\u003eLeaks at the intake or exhaust can lead to performance issues and poor running conditions. By using a quality Cometic gasket, you ensure that your V-twin breathes correctly and maintains its intended power output. Always confirm your bike's original part number to ensure perfect compatibility before installation.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9088\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.1243 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 OE #27002-89 refer to?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eOE #27002-89 is the original equipment manufacturer part number that this Cometic gasket is designed to directly replace. Always verify your motorcycle's original part number 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 gasket fit my specific Harley-Davidson or Indian Motorcycle model?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket is designed for V-twin engines. To confirm fitment, cross-reference your engine type and model year to ensure it matches the specifications for OE #27002-89.\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 single gasket or does it come in a pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is a single gasket. If you need multiple for spares or for servicing more than one port, please adjust your order quantity accordingly.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Intake\/Exhaust Gasket OE#27002-89 - Harley \u0026 Indian V-Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-intake-exhaust-gasket-1-pk-oe-27002-89-68-9088\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does OE #27002-89 refer to?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"OE #27002-89 is the original equipment manufacturer part number that this Cometic gasket is designed to directly replace. Always verify your motorcycle's original part number before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Will this gasket fit my specific Harley-Davidson or Indian Motorcycle model?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket is designed for V-twin engines. To confirm fitment, cross-reference your engine type and model year to ensure it matches the specifications for OE #27002-89.\"}},{\"@type\":\"Question\",\"name\":\"Is this a single gasket or does it come in a pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is a single gasket. If you need multiple for spares or for servicing more than one port, please adjust your order quantity accordingly.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035120033903,"sku":"68-9088","price":8.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/24cb-5bc0e1c4eb1ac.jpg?v=1777527653"},{"product_id":"cometic-evo-big-twin-twin-cam-base-gasket-gasket-twin-cam-1999-2010-020-2-68-9110-020","title":"Cometic Base Gasket 0.020\" Twin Cam \u0026 Evo Big Twin - Harley Twin Cam \u0026 Evo","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen rebuilding your V-twin, a precise base gasket is essential for a leak-free engine. This Cometic base gasket, with its 0.020\" thickness, is engineered to provide an exact seal at the crankcase base for Twin Cam and Evo Big Twin engines. It meets or exceeds OEM specifications, making it a reliable choice for your 1999-2010 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;\"\u003e0.020\" thickness for precise engine sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits Twin Cam and Evo Big Twin engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEnsures a reliable, leak-free crankcase base\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eManufactured to OEM-replacement specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen rebuilding your V-twin, a precise base gasket is essential for a leak-free engine. This Cometic base gasket, with its 0.020\" thickness, is engineered to provide an exact seal at the crankcase base for Twin Cam and Evo Big Twin engines. It meets or exceeds OEM specifications, making it a reliable choice for your 1999-2010 Harley-Davidson.\u003c\/p\u003e\u003ch3\u003eCritical Sealing for Engine Integrity\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e0.020\" thickness for accurate engine clearances\u003c\/li\u003e\n\u003cli\u003eDesigned for Twin Cam and Evo Big Twin engines\u003c\/li\u003e\n\u003cli\u003eEnsures a strong, leak-free crankcase base seal\u003c\/li\u003e\n\u003cli\u003eManufactured to OEM-replacement specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Right Gasket for Your Rebuild\u003c\/h3\u003e\u003cp\u003eUsing the correct gasket thickness is paramount for engine performance and longevity. This 0.020\" Cometic base gasket is specifically tailored for 1999-2010 Twin Cam and Evo applications. Always use a fresh gasket during any engine work to guarantee optimal compression and prevent oil seepage, giving you peace of mind on every ride.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9110-020\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.020 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 7.3 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 6.1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.09 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 is the thickness of this Cometic base gasket?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket has a thickness of 0.020 inches, which is a common specification for many Twin Cam and Evo base applications. Always confirm the required thickness for your specific 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 this base gasket fit my Milwaukee-Eight engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this gasket is specifically designed for 1999-2010 Twin Cam and Evo Big Twin engines only. Milwaukee-Eight engines require different gasket part numbers.\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 it necessary to use a new gasket every time I rebuild my engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, gaskets are designed to compress and seal once. Always use a fresh gasket during any engine disassembly or rebuild to ensure a proper, reliable seal and prevent potential leaks.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Base Gasket 0.020\\\" Twin Cam \u0026 Evo Big Twin - Harley Twin Cam \u0026 Evo\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-evo-big-twin-twin-cam-base-gasket-gasket-twin-cam-1999-2010-020-2-68-9110-020\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the thickness of this Cometic base gasket?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket has a thickness of 0.020 inches, which is a common specification for many Twin Cam and Evo base applications. Always confirm the required thickness for your specific engine.\"}},{\"@type\":\"Question\",\"name\":\"Will this base gasket fit my Milwaukee-Eight engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this gasket is specifically designed for 1999-2010 Twin Cam and Evo Big Twin engines only. Milwaukee-Eight engines require different gasket part numbers.\"}},{\"@type\":\"Question\",\"name\":\"Is it necessary to use a new gasket every time I rebuild my engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, gaskets are designed to compress and seal once. Always use a fresh gasket during any engine disassembly or rebuild to ensure a proper, reliable seal and prevent potential leaks.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035120001135,"sku":"68-9110-020","price":31.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_12d05be7-fb61-4ad7-8ac3-9760361eb1de.png?v=1779561216"},{"product_id":"cometic-twin-cam-est-gasket-kit-68-9114","title":"Cometic EST Gasket Kit for Twin Cam - Harley Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen it's time for a full engine overhaul on your Twin Cam, this Cometic EST gasket kit delivers everything you need for a complete, leak-free rebuild. This comprehensive kit includes MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and AFM material components, ensuring every critical seal is replaced with high-quality parts.\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;\"\u003eComplete kit for full engine overhaul\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes MLS head gaskets for superior sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFeatures steel Viton-coated base gaskets\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eSupplied with blue Viton valve stem seals\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eContains advanced AFM material components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen it's time for a full engine overhaul on your Twin Cam, this Cometic EST gasket kit delivers everything you need for a complete, leak-free rebuild. This comprehensive kit includes MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and AFM material components, ensuring every critical seal is replaced with high-quality parts.\u003c\/p\u003e\u003ch3\u003eAll-Inclusive Kit for Complete Engine Rebuilds\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComplete kit for a full engine overhaul\u003c\/li\u003e\n\u003cli\u003eIncludes MLS (Multi-Layer Steel) head gaskets\u003c\/li\u003e\n\u003cli\u003eFeatures durable steel Viton-coated base gaskets\u003c\/li\u003e\n\u003cli\u003eComes with blue Viton valve stem seals for reliability\u003c\/li\u003e\n\u003cli\u003eUtilizes advanced AFM material components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eConfidence in Every Seal\u003c\/h3\u003e\u003cp\u003eTaking on an engine overhaul requires attention to detail, and this Cometic EST gasket kit provides the peace of mind that comes with using top-tier components. Designed specifically for V-twin applications, this kit ensures that every critical junction in your Twin Cam engine is sealed correctly, supporting consistent performance and longevity.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9114\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.88 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 components are included in this Cometic EST gasket kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is comprehensive, providing all gaskets, seals, washers, and o-rings necessary for a complete engine overhaul. This includes MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and AFM material 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;\"\u003eWill this EST gasket kit fit my specific Harley-Davidson model?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eCometic EST Gasket Kits are designed for Harley-Davidson V-twin engines. It's important to confirm that your specific engine model is a Twin Cam EST to ensure perfect compatibility.\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 purchase individual gaskets from Cometic instead of the full kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, Cometic offers many individual gasket components. If you only require specific seals or gaskets rather than a full overhaul kit, you can often find them sold separately.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic EST Gasket Kit for Twin Cam - Harley Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-est-gasket-kit-68-9114\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What components are included in this Cometic EST gasket kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is comprehensive, providing all gaskets, seals, washers, and o-rings necessary for a complete engine overhaul. This includes MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and AFM material components.\"}},{\"@type\":\"Question\",\"name\":\"Will this EST gasket kit fit my specific Harley-Davidson model?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cometic EST Gasket Kits are designed for Harley-Davidson V-twin engines. It's important to confirm that your specific engine model is a Twin Cam EST to ensure perfect compatibility.\"}},{\"@type\":\"Question\",\"name\":\"Can I purchase individual gaskets from Cometic instead of the full kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, Cometic offers many individual gasket components. If you only require specific seals or gaskets rather than a full overhaul kit, you can often find them sold separately.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035120066671,"sku":"68-9114","price":152.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_88d66d5b-1b5e-467b-b4cb-4c09689b2f73.png?v=1779561218"},{"product_id":"cometic-twin-cam-est-gasket-kit-68-911430","title":"Cometic EST Gasket Kit for Twin Cam - Harley Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen it's time for a full engine overhaul on your Harley-Davidson Twin Cam, this Cometic EST gasket kit provides all the essential components for a thorough and reliable rebuild. It includes high-quality MLS head gaskets, durable steel Viton-coated base gaskets, blue Viton valve stem seals, and various AFM material components, ensuring a complete and leak-free engine assembly.\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;\"\u003eComplete kit for Twin Cam engine overhaul\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFeatures MLS head gaskets for superior sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes steel Viton-coated base gaskets\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eSupplied with blue Viton valve stem seals\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eContains all necessary AFM material components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen it's time for a full engine overhaul on your Harley-Davidson Twin Cam, this Cometic EST gasket kit provides all the essential components for a thorough and reliable rebuild. It includes high-quality MLS head gaskets, durable steel Viton-coated base gaskets, blue Viton valve stem seals, and various AFM material components, ensuring a complete and leak-free engine assembly.\u003c\/p\u003e\u003ch3\u003eComprehensive Sealing for Your Twin Cam\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComplete kit for full engine overhaul on Twin Cam models\u003c\/li\u003e\n\u003cli\u003eIncludes advanced MLS (Multi-Layer Steel) head gaskets\u003c\/li\u003e\n\u003cli\u003eFeatures robust steel Viton-coated base gaskets\u003c\/li\u003e\n\u003cli\u003eSupplied with high-performance blue Viton valve stem seals\u003c\/li\u003e\n\u003cli\u003eContains essential AFM material components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReliability from the Ground Up\u003c\/h3\u003e\u003cp\u003ePerforming a complete engine overhaul demands the highest quality parts, and this Cometic EST gasket kit delivers. Each component is engineered to meet the rigorous demands of your V-twin, providing superior sealing and durability. This kit is a critical investment for any rider looking to restore or upgrade their Twin Cam engine with confidence.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9114-030\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.3754 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 specific components are included in this Cometic gasket kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is designed for a complete engine overhaul, including all necessary gaskets, seals, washers, and o-rings. You'll find MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and other AFM material 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;\"\u003eDo I need to purchase any additional gaskets separately with this kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is a comprehensive kit intended for a full engine rebuild. However, it's always a good practice to consult your specific model's service manual to confirm if any supplemental seals are required for your unique 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;\"\u003eAre these Cometic gaskets considered OEM Harley-Davidson parts?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, Cometic manufactures these as high-quality aftermarket replacement parts. They are engineered to meet or exceed OEM specifications, providing excellent performance and reliability for your Harley-Davidson.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic EST Gasket Kit for Twin Cam - Harley Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-est-gasket-kit-68-911430\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What specific components are included in this Cometic gasket kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is designed for a complete engine overhaul, including all necessary gaskets, seals, washers, and o-rings. You'll find MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and other AFM material components.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to purchase any additional gaskets separately with this kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is a comprehensive kit intended for a full engine rebuild. However, it's always a good practice to consult your specific model's service manual to confirm if any supplemental seals are required for your unique application.\"}},{\"@type\":\"Question\",\"name\":\"Are these Cometic gaskets considered OEM Harley-Davidson parts?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, Cometic manufactures these as high-quality aftermarket replacement parts. They are engineered to meet or exceed OEM specifications, providing excellent performance and reliability for your Harley-Davidson.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035120885871,"sku":"68-911430","price":152.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_3e3130a9-5991-40f3-84f9-00647e74dc25.png?v=1779561222"},{"product_id":"cometic-evo-sportster-est-gasket-kit-oe-17026-91b-68-9124","title":"Cometic Evo Sportster EST Complete Motor Gasket Kit - Harley Evolution 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eWhen it's time for a full teardown on your Evo Sportster, trust the Cometic Evo Sportster EST Gasket Kit to seal it right. This complete motor overhaul set includes everything you need for a reliable rebuild. Engineered with Extreme Sealing Technology, it ensures your V-twin performs as intended.\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;\"\u003eComplete motor overhaul kit for Evo Sportster engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFeatures Extreme Sealing Technology (EST)\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes MLS head gaskets for superior cylinder sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eViton-coated base gaskets and valve stem seals for durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eContains all necessary gaskets, seals, washers, and O-rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Cometic Evo Sportster EST Gasket Kit is a comprehensive solution for completely overhauling your Evolution Sportster engine. Designed with Extreme Sealing Technology (EST), this kit provides advanced materials and construction for a leak-free and durable seal. Every component from head gaskets to O-rings is included, ensuring you have the right parts on hand for a professional-grade rebuild.\u003c\/p\u003e\u003ch3\u003eAdvanced Sealing Technology for Peak Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMLS (Multi-Layer Steel) head gaskets for superior sealing integrity\u003c\/li\u003e\n\u003cli\u003eSteel Viton-coated base gaskets resist heat and chemicals\u003c\/li\u003e\n\u003cli\u003eBlue Viton valve stem seals provide long-lasting oil control\u003c\/li\u003e\n\u003cli\u003eAFM material gaskets offer excellent conformability and sealing\u003c\/li\u003e\n\u003cli\u003eComplete kit includes every gasket, seal, washer, and O-ring for a full motor overhaul\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRebuild with Confidence\u003c\/h3\u003e\u003cp\u003eWhether you're refreshing a high-mileage Evo Sportster or buttoning up a performance build, this Cometic EST gasket kit provides the peace of mind that comes with quality components. Its comprehensive nature means you won't be scrambling for missing pieces mid-job. Focus on precise assembly, and let Cometic's engineering handle the seal.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9124\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKit Type:\u003c\/strong\u003e Complete Motor Overhaul\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 24.3 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 13.9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1.6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.61 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 the EST in this gasket kit signify?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eEST stands for Extreme Sealing Technology, which refers to Cometic's advanced gasket design and materials, including MLS head gaskets and Viton-coated components, engineered for high-performance V-twin 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;\"\u003eIs this kit suitable for a full engine rebuild?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this is a complete motor overhaul set that includes every gasket, seal, washer, and O-ring needed for a full teardown and rebuild of your Evo Sportster 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 gaskets work with my specific Evo Sportster model?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is designed for Evo Sportster models. Please confirm fitment with our Shop by Bike tool to ensure compatibility with your specific year and 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Evo Sportster EST Complete Motor Gasket Kit - Harley Evolution Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-evo-sportster-est-gasket-kit-oe-17026-91b-68-9124\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does the EST in this gasket kit signify?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"EST stands for Extreme Sealing Technology, which refers to Cometic's advanced gasket design and materials, including MLS head gaskets and Viton-coated components, engineered for high-performance V-twin engines.\"}},{\"@type\":\"Question\",\"name\":\"Is this kit suitable for a full engine rebuild?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this is a complete motor overhaul set that includes every gasket, seal, washer, and O-ring needed for a full teardown and rebuild of your Evo Sportster engine.\"}},{\"@type\":\"Question\",\"name\":\"Will these gaskets work with my specific Evo Sportster model?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is designed for Evo Sportster models. Please confirm fitment with our Shop by Bike tool to ensure compatibility with your specific year and model.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035120918639,"sku":"68-9124","price":199.41,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_67c17d6e-bbd9-4594-bc98-5ad2af76724c.png?v=1779561224"},{"product_id":"cometic-evo-sportster-primary-gasket-and-seal-sportster-kit-68-9125","title":"Cometic Evo Sportster Primary Gasket \u0026 Seal Kit - Harley 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eEnsure a leak-free primary on your Evo Sportster with the Cometic Primary Gasket and Seal Kit. This kit provides the necessary components to reliably seal the primary case, even under demanding riding conditions. It's a direct replacement designed with modern gasket technology 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;\"\u003ePrimary case gasket and seal kit\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEngineered with Cometic gasket technology\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eReliable sealing for Evo-era Sportster primary cases\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDirect replacement for factory primary gaskets\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrevents leaks and maintains primary fluid integrity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Cometic Evo Sportster Primary Gasket and Seal Kit is engineered to provide a superior seal for your V-twin's primary case. Over time, factory gaskets can degrade, leading to leaks and potential performance issues. This kit utilizes Cometic's advanced gasket technology to offer a durable and reliable seal, giving you peace of mind on every ride.\u003c\/p\u003e\u003ch3\u003eReliable Sealing for Your Primary Drive\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngineered with Cometic's proven gasket technology\u003c\/li\u003e\n\u003cli\u003eDirect replacement for stock Evo-era Sportster primary gaskets\u003c\/li\u003e\n\u003cli\u003eDesigned to seal reliably under high-performance conditions\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary gaskets and seals for the primary case\u003c\/li\u003e\n\u003cli\u003ePrevents leaks and maintains optimal primary fluid levels\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Maintenance and Performance\u003c\/h3\u003e\u003cp\u003eWhether you're performing routine maintenance, replacing a leaking primary gasket, or upgrading your V-twin, this Cometic kit is an essential component. Its precise fitment and advanced materials ensure a long-lasting seal, protecting your primary drive components. Install with confidence, knowing your primary case is sealed with quality.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9125\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191070019259\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.15 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 is included in this primary gasket and seal kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit includes all the necessary primary gasket and seal components required to reliably seal the primary case on compatible Evo-era Sportster V-twin motorcycles.\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 kit fit all Sportster models?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is designed for Evo-era Sportster primary cases. We recommend using our Shop by Bike tool to verify compatibility with your specific Sportster model year and engine generation.\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;\"\u003eStandard motorcycle tools and a gasket scraper are generally recommended for installation. Always refer to your service manual for specific torque specifications and procedures for your 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Evo Sportster Primary Gasket \u0026 Seal Kit - Harley Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-evo-sportster-primary-gasket-and-seal-sportster-kit-68-9125\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is included in this primary gasket and seal kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit includes all the necessary primary gasket and seal components required to reliably seal the primary case on compatible Evo-era Sportster V-twin motorcycles.\"}},{\"@type\":\"Question\",\"name\":\"Will this kit fit all Sportster models?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is designed for Evo-era Sportster primary cases. We recommend using our Shop by Bike tool to verify compatibility with your specific Sportster model year and engine generation.\"}},{\"@type\":\"Question\",\"name\":\"Do I need special tools for installation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Standard motorcycle tools and a gasket scraper are generally recommended for installation. Always refer to your service manual for specific torque specifications and procedures for your model.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035120951407,"sku":"68-9125","price":40.18,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_67192954-067d-4bc5-853b-66f9814c9acc.png?v=1779560721"},{"product_id":"cometic-evo-big-twin-est-gasket-kit-w-o-rub-rkr-gaskts-68-9130","title":"Cometic Evo Big Twin EST Complete Motor Gasket Kit - Harley Evolution Big 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eFor a complete engine overhaul on your Evo Big Twin, the Cometic Evo Big Twin EST Gasket Kit delivers everything you need. This comprehensive kit provides every seal, washer, and O-ring to ensure a reliable and leak-free rebuild. Engineered with Extreme Sealing Technology, it's built to perform.\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;\"\u003eComplete engine overhaul kit for Evo Big Twin\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFeatures Extreme Sealing Technology (EST)\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes MLS head gaskets for enhanced sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eViton-coated base gaskets and valve stem seals\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eAll gaskets, seals, washers, and O-rings included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Cometic Evo Big Twin EST Gasket Kit is designed for a full engine overhaul on Evolution Big Twin V-twin motorcycles. This kit features Cometic's Extreme Sealing Technology (EST), which incorporates advanced materials for superior sealing and durability. From MLS head gaskets to blue Viton valve stem seals, every component in this kit is chosen for its ability to withstand the demands of a high-performance V-twin engine.\u003c\/p\u003e\u003ch3\u003eExtreme Sealing for Your Big Twin\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMLS (Multi-Layer Steel) head gaskets for robust cylinder sealing\u003c\/li\u003e\n\u003cli\u003eSteel Viton-coated base gaskets resist high temperatures and chemicals\u003c\/li\u003e\n\u003cli\u003eBlue Viton valve stem seals ensure consistent oil control\u003c\/li\u003e\n\u003cli\u003eAFM material components provide excellent sealing properties\u003c\/li\u003e\n\u003cli\u003eComplete kit includes all gaskets, seals, washers, and O-rings for an overhaul\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePrecision Engineering for Longevity\u003c\/h3\u003e\u003cp\u003eRebuilding a Big Twin requires attention to detail and reliable parts. This Cometic EST gasket kit provides the foundation for a long-lasting engine. By supplying all necessary sealing components in one package, it simplifies the overhaul process and ensures that every critical junction is sealed with quality. Trust Cometic to help you get your Big Twin back on the road with confidence.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9130\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.136 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 components are included in this complete gasket kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit includes every gasket, seal, washer, and O-ring needed for a complete engine overhaul on Evo Big Twin V-twin engines, such as MLS head gaskets, steel Viton-coated base gaskets, and blue Viton valve stem seals.\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 kit compatible with all Harley-Davidson Evolution Big Twin models?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is specifically designed for Evo Big Twin engines. For precise compatibility, please refer to our Shop by Bike tool to confirm fitment for your specific Harley-Davidson model year.\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 purchase additional gaskets separately with this kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a complete overhaul kit. It includes all the gaskets and seals required for a full engine rebuild, eliminating the need to source individual components.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Evo Big Twin EST Complete Motor Gasket Kit - Harley Evolution Big Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-evo-big-twin-est-gasket-kit-w-o-rub-rkr-gaskts-68-9130\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What components are included in this complete gasket kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit includes every gasket, seal, washer, and O-ring needed for a complete engine overhaul on Evo Big Twin V-twin engines, such as MLS head gaskets, steel Viton-coated base gaskets, and blue Viton valve stem seals.\"}},{\"@type\":\"Question\",\"name\":\"Is this kit compatible with all Harley-Davidson Evolution Big Twin models?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is specifically designed for Evo Big Twin engines. For precise compatibility, please refer to our Shop by Bike tool to confirm fitment for your specific Harley-Davidson model year.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to purchase additional gaskets separately with this kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a complete overhaul kit. It includes all the gaskets and seals required for a full engine rebuild, eliminating the need to source individual components.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035120984175,"sku":"68-9130","price":107.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_1af43b90-a172-403b-8a42-493796bd4333.png?v=1779561221"},{"product_id":"cometic-evo-sportster-pushrod-o-ring-kit-o-ring-evo-sportster-kit-68-9143","title":"Cometic Evo Sportster Pushrod O-Ring Kit - Harley Evolution 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eAddress those common pushrod leaks on your Evo Sportster with the Cometic Pushrod O-Ring Kit. This kit provides direct replacement O-rings designed to seal the pushrod tubes reliably. Say goodbye to oil seepage caused by hardened and degraded factory seals.\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;\"\u003eDirect replacement O-ring set for Evo Sportster pushrods\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrevents oil seepage from pushrod tubes\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eRestores reliable sealing performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEngineered with Cometic's quality gasket materials\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eAddresses common leaks on Evolution Sportster engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Cometic Evo Sportster Pushrod O-Ring Kit is a targeted solution for a common issue on Evolution-engine Sportsters: leaking pushrod tubes. Over time, the factory rubber O-rings can harden, shrink, and lose their sealing ability, leading to unsightly and messy oil leaks. This kit provides high-quality replacement O-rings engineered by Cometic to restore a tight, reliable seal and keep your V-twin running clean.\u003c\/p\u003e\u003ch3\u003eReliable Sealing for Your Pushrod Tubes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement O-ring set for Evo Sportster pushrod tubes\u003c\/li\u003e\n\u003cli\u003eEngineered with Cometic's advanced gasket materials\u003c\/li\u003e\n\u003cli\u003ePrevents oil seepage and leaks at the pushrod tubes\u003c\/li\u003e\n\u003cli\u003eRestores factory sealing performance without major modifications\u003c\/li\u003e\n\u003cli\u003eDurable construction resists degradation from heat and oil\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaintain Your Engine's Integrity\u003c\/h3\u003e\u003cp\u003eReplacing worn pushrod O-rings is a crucial maintenance step that prevents oil loss and keeps your engine bay clean. This Cometic kit offers a straightforward solution to a persistent problem, ensuring your Evolution Sportster maintains its integrity. While requiring some disassembly, the installation of these quality O-rings will provide lasting peace of mind and a cleaner ride.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9143\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.03 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 specific problem does this O-ring kit solve?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit replaces the factory rubber O-rings that seal the pushrod tubes on Evo Sportsters. These O-rings commonly harden and shrink over time, leading to oil leaks around the pushrods.\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 installation of these O-rings a difficult job?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eReplacing pushrod O-rings typically requires removing the rocker boxes and pushrods, which is a moderate DIY job. Consult your service manual for detailed instructions for your specific model.\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 kit fit all Evolution Sportster models?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is designed for Evo Sportster models. To ensure exact compatibility, please use our Shop by Bike tool to confirm fitment for your specific year and 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Evo Sportster Pushrod O-Ring Kit - Harley Evolution Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-evo-sportster-pushrod-o-ring-kit-o-ring-evo-sportster-kit-68-9143\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What specific problem does this O-ring kit solve?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit replaces the factory rubber O-rings that seal the pushrod tubes on Evo Sportsters. These O-rings commonly harden and shrink over time, leading to oil leaks around the pushrods.\"}},{\"@type\":\"Question\",\"name\":\"Is installation of these O-rings a difficult job?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Replacing pushrod O-rings typically requires removing the rocker boxes and pushrods, which is a moderate DIY job. Consult your service manual for detailed instructions for your specific model.\"}},{\"@type\":\"Question\",\"name\":\"Will this kit fit all Evolution Sportster models?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is designed for Evo Sportster models. To ensure exact compatibility, please use our Shop by Bike tool to confirm fitment for your specific year and model.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035121803375,"sku":"68-9143","price":18.39,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/74a2-601afe0f21cbd.jpg?v=1777527656"},{"product_id":"cometic-evo-sportster-est-gasket-kit-oe-17032-91-68-9133","title":"Cometic Evo Sportster EST Complete Gasket Kit - Harley Evolution 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThe Cometic Evo Sportster EST Gasket Kit provides a complete overhaul set of gaskets, seals, washers, and O-rings for your Evolution Sportster V-twin engine. Featuring Extreme Sealing Technology, this kit ensures superior sealing for even the most demanding performance applications. It's the ideal choice for a thorough and reliable 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;\"\u003eComplete engine overhaul kit for Evo Sportster\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFeatures Extreme Sealing Technology (EST)\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes MLS head gaskets for superior sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eViton-coated base gaskets and valve stem seals\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eAll gaskets, seals, washers, and O-rings included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen rebuilding your Evo Sportster, the Cometic Evo Sportster EST Gasket Kit offers unmatched sealing performance and reliability. This comprehensive kit includes everything needed for a complete engine overhaul, from MLS head gaskets to blue Viton valve stem seals. Cometic's Extreme Sealing Technology (EST) ensures that each component is engineered with advanced materials to withstand the rigors of high-performance V-twin engines, preventing leaks and maintaining optimal compression and oil control.\u003c\/p\u003e\u003ch3\u003eUncompromising Sealing with EST Technology\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMLS (Multi-Layer Steel) head gaskets provide exceptional cylinder sealing\u003c\/li\u003e\n\u003cli\u003eSteel Viton-coated base gaskets offer enhanced durability and heat resistance\u003c\/li\u003e\n\u003cli\u003eBlue Viton valve stem seals ensure superior oil retention\u003c\/li\u003e\n\u003cli\u003eAFM material components deliver robust sealing properties\u003c\/li\u003e\n\u003cli\u003eComplete motor kit includes all necessary gaskets and seals for a full overhaul\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuild Your V-Twin with Confidence\u003c\/h3\u003e\u003cp\u003eUsing the Cometic Evo Sportster EST Gasket Kit means you're equipping your engine with components designed for precision and longevity. This all-inclusive kit eliminates the guesswork and the need to source individual parts, streamlining your rebuild process. Whether you're refreshing a classic or building a custom powerhouse, trust Cometic to provide the foundation for a leak-free and powerful Evolution Sportster engine.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9133\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOE Part #:\u003c\/strong\u003e 17032-91\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.74 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 EST (Extreme Sealing Technology) mean for my engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eEST is Cometic's advanced gasket technology, utilizing MLS head gaskets, Viton-coated steel base gaskets, and AFM seals. This combination provides superior sealing capabilities crucial for high-performance V-twin 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;\"\u003eIs this kit suitable for a full engine rebuild on my Evo Sportster?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this kit is designed as a complete overhaul set. It includes every gasket, seal, washer, and O-ring needed for a full motor rebuild on Evo Sportster V-twin 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;\"\u003eHow can I confirm this kit fits my specific Sportster model?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is made for Evo Sportster models. To ensure precise compatibility, please utilize our Shop by Bike tool on the website to verify fitment for your exact year and 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Evo Sportster EST Complete Gasket Kit - Harley Evolution Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-evo-sportster-est-gasket-kit-oe-17032-91-68-9133\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does EST (Extreme Sealing Technology) mean for my engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"EST is Cometic's advanced gasket technology, utilizing MLS head gaskets, Viton-coated steel base gaskets, and AFM seals. This combination provides superior sealing capabilities crucial for high-performance V-twin engines.\"}},{\"@type\":\"Question\",\"name\":\"Is this kit suitable for a full engine rebuild on my Evo Sportster?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this kit is designed as a complete overhaul set. It includes every gasket, seal, washer, and O-ring needed for a full motor rebuild on Evo Sportster V-twin engines.\"}},{\"@type\":\"Question\",\"name\":\"How can I confirm this kit fits my specific Sportster model?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is made for Evo Sportster models. To ensure precise compatibility, please utilize our Shop by Bike tool on the website to verify fitment for your exact year and model.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035121868911,"sku":"68-9133","price":199.41,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_4b954b98-c761-4922-a810-97cd66ba6be7.png?v=1779560677"},{"product_id":"cometic-intake-exhaust-gasket-kit-68-9131","title":"Cometic Intake \u0026 Exhaust Gasket Kit - 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eEnsure a perfect seal for your V-twin's intake and exhaust manifolds with the Cometic Intake \u0026amp; Exhaust Gasket Kit. Engineered with modern gasket materials, this kit is designed to withstand the demands of today's high-performance Harley-Davidson and Indian Motorcycle engines. Get reliable sealing where it matters most.\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;\"\u003eIntake and exhaust gasket kit for V-twin engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eModern gasket materials for reliable sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEngineered for high-performance Harley and Indian V-twins\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eResists extreme temperatures and pressures\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEnsures optimal air-fuel mixture and exhaust flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Cometic Intake \u0026amp; Exhaust Gasket Kit provides a robust sealing solution for the critical junctions of your V-twin engine. Whether you're dealing with a performance build or routine maintenance, reliable intake and exhaust seals are paramount for optimal engine function and preventing leaks. Cometic's commitment to modern materials and precision manufacturing ensures these gaskets will stand up to the heat and pressure of your Harley-Davidson or Indian Motorcycle.\u003c\/p\u003e\u003ch3\u003eSuperior Sealing for Air and Exhaust Flow\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngineered with modern, high-quality gasket materials\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for V-twin intake and exhaust applications\u003c\/li\u003e\n\u003cli\u003eEnsures proper air-fuel mixture and exhaust scavenging\u003c\/li\u003e\n\u003cli\u003eResists extreme temperatures and pressure for a long-lasting seal\u003c\/li\u003e\n\u003cli\u003ePrevents leaks and maintains engine efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Performance and Reliability\u003c\/h3\u003e\u003cp\u003eA good seal at the intake and exhaust ports is vital for both performance and the longevity of your V-twin. Leaks in these areas can lead to poor running conditions, reduced horsepower, and potential engine damage. This Cometic kit provides the peace of mind that comes with using high-quality components, ensuring your engine breathes freely and performs consistently. Upgrade your seals with Cometic and ride with confidence.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9131\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6.05 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.04 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 is included in this intake and exhaust gasket kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit includes the necessary gaskets for both the intake and exhaust manifolds of compatible V-twin motorcycle 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;\"\u003eAre these gaskets a direct replacement for OEM parts?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eCometic gaskets are engineered to meet or exceed OEM specifications, providing a high-quality aftermarket solution for V-twin 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;\"\u003eCan I use these gaskets during a full manifold rebuild?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this kit is suitable for use during a full manifold rebuild, or the gaskets can be used separately as needed for specific maintenance or repair tasks.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Intake \u0026 Exhaust Gasket Kit - Harley \u0026 Indian V-Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-intake-exhaust-gasket-kit-68-9131\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is included in this intake and exhaust gasket kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit includes the necessary gaskets for both the intake and exhaust manifolds of compatible V-twin motorcycle engines.\"}},{\"@type\":\"Question\",\"name\":\"Are these gaskets a direct replacement for OEM parts?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cometic gaskets are engineered to meet or exceed OEM specifications, providing a high-quality aftermarket solution for V-twin applications.\"}},{\"@type\":\"Question\",\"name\":\"Can I use these gaskets during a full manifold rebuild?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this kit is suitable for use during a full manifold rebuild, or the gaskets can be used separately as needed for specific maintenance or repair tasks.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035121836143,"sku":"68-9131","price":13.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_c18d69a8-48cc-4ac5-96c8-ec9723315553.png?v=1779560679"},{"product_id":"cometic-evo-big-twin-twin-cam-primary-housing-gasket-only-big-twin-ea-1-pk-oe-68-9145f1","title":"Cometic Primary Housing Gasket - Harley Evo Big Twin \u0026 Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eKeep your primary sealed tight with this Cometic primary housing gasket, an OEM-grade replacement designed for Harley Evo Big Twin and Twin Cam engines. This essential seal prevents oil weeping at the engine-to-primary interface, maintaining the integrity of your drivetrain.\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;\"\u003eOEM-grade replacement for Evo Big Twin and Twin Cam\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrevents oil weeping at the primary housing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEnsures a reliable and secure seal\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEngineered for precise fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're wrenching on your Harley's primary, a fresh gasket is cheap insurance against leaks. This Cometic primary housing gasket is engineered to meet or exceed OEM specifications, providing a reliable barrier to keep your primary oil where it belongs.\u003c\/p\u003e\u003ch3\u003eEngineered for a Dependable Seal\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM-grade replacement for consistent performance\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for Evo Big Twin and Twin Cam V-twin engines\u003c\/li\u003e\n\u003cli\u003eHelps prevent oil seepage at the primary housing interface\u003c\/li\u003e\n\u003cli\u003eEnsures a secure and long-lasting seal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSmart Maintenance for Your V-Twin\u003c\/h3\u003e\u003cp\u003eWhether you're performing routine maintenance or diving into a clutch service, replacing the primary housing gasket is a critical step. This single-pack gasket is ideal for a one-time service, ensuring a clean, leak-free reassembly. Pair it with fresh primary fluid for complete peace of mind.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9145F1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191070001650\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 13.2 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 0.05 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.3 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 gasket compatible with my Twin Cam engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this Cometic primary housing gasket is specifically designed for both Evo Big Twin and Twin Cam V-twin 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;\"\u003eDo I need to replace this gasket every time I remove the primary cover?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eWhile not always strictly necessary for a simple oil change if the old gasket is in perfect condition, it is highly recommended to replace it any time the primary cover is removed to ensure a leak-free seal.\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 an OEM Harley-Davidson part?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is an aftermarket primary housing gasket manufactured by Cometic to meet or exceed OEM specifications for Harley-Davidson Evo Big Twin and Twin Cam 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Primary Housing Gasket - Harley Evo Big Twin \u0026 Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-evo-big-twin-twin-cam-primary-housing-gasket-only-big-twin-ea-1-pk-oe-68-9145f1\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is this gasket compatible with my Twin Cam engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this Cometic primary housing gasket is specifically designed for both Evo Big Twin and Twin Cam V-twin engines.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to replace this gasket every time I remove the primary cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"While not always strictly necessary for a simple oil change if the old gasket is in perfect condition, it is highly recommended to replace it any time the primary cover is removed to ensure a leak-free seal.\"}},{\"@type\":\"Question\",\"name\":\"Is this an OEM Harley-Davidson part?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is an aftermarket primary housing gasket manufactured by Cometic to meet or exceed OEM specifications for Harley-Davidson Evo Big Twin and Twin Cam engines.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035121934447,"sku":"68-9145F1","price":44.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_f0cbb842-4672-4579-bc33-84124723a36b.png?v=1779560725"},{"product_id":"cometic-twin-cam-est-gasket-kit-oe-17052-99b-68-9146","title":"Cometic Complete Engine Gasket Kit - Twin Cam EST 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eTackle a full engine overhaul with confidence using the Cometic Twin Cam EST gasket kit. This comprehensive kit provides all the necessary seals, gaskets, and o-rings for a complete rebuild of your Twin Cam-equipped V-twin motorcycle.\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;\"\u003eComplete kit for Twin Cam EST engine overhaul\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes MLS head gaskets for reliable sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eSteel Viton-coated base gaskets for durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBlue Viton valve stem seals for optimal performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eAll gaskets, seals, and o-rings included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen it's time for a top-to-bottom refresh on your Twin Cam, you need a gasket kit that covers every seal. This Cometic EST gasket kit is assembled with high-quality materials to ensure a leak-free and durable engine rebuild, bringing new life to your V-twin.\u003c\/p\u003e\u003ch3\u003ePremium Materials for Peak Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMulti-Layer Steel (MLS) head gaskets for superior sealing\u003c\/li\u003e\n\u003cli\u003eSteel Viton-coated base gaskets resist heat and chemicals\u003c\/li\u003e\n\u003cli\u003eBlue Viton valve stem seals ensure optimal valve guide sealing\u003c\/li\u003e\n\u003cli\u003eAFM material components provide robust sealing for various applications\u003c\/li\u003e\n\u003cli\u003eComplete kit includes all gaskets, seals, and o-rings for an overhaul\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Solid Rebuild\u003c\/h3\u003e\u003cp\u003eAn engine overhaul is a significant undertaking, and the quality of your gaskets is paramount to its success. This Cometic kit provides the peace of mind that comes with using components engineered for performance and longevity. From the cylinders to the rocker boxes, every critical sealing surface is covered, making it an ideal choice for riders and shops performing comprehensive Twin Cam engine work.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9146\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191070012977\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 9.3 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 2.6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.84 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 specific components are included in this gasket kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis complete kit includes all gaskets, seals, washers, and o-rings needed for a full engine overhaul, such as MLS head gaskets, steel Viton-coated base gaskets, and blue Viton valve stem seals.\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 gasket kit fit all Harley-Davidson Twin Cam engines?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is specifically designed for Twin Cam EST engines. It's essential to verify your engine's exact designation to ensure compatibility 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;\"\u003eDo I need to purchase any additional gaskets or seals separately for an overhaul?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a complete engine overhaul kit intended to provide every gasket, seal, and o-ring required for a comprehensive 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Complete Engine Gasket Kit - Twin Cam EST Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-est-gasket-kit-oe-17052-99b-68-9146\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What specific components are included in this gasket kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This complete kit includes all gaskets, seals, washers, and o-rings needed for a full engine overhaul, such as MLS head gaskets, steel Viton-coated base gaskets, and blue Viton valve stem seals.\"}},{\"@type\":\"Question\",\"name\":\"Will this gasket kit fit all Harley-Davidson Twin Cam engines?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is specifically designed for Twin Cam EST engines. It's essential to verify your engine's exact designation to ensure compatibility before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to purchase any additional gaskets or seals separately for an overhaul?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a complete engine overhaul kit intended to provide every gasket, seal, and o-ring required for a comprehensive rebuild.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035121967215,"sku":"68-9146","price":147.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_0fdfe887-ba11-40a2-8cee-31b7634708bb.png?v=1779561229"},{"product_id":"cometic-evo-big-twin-twin-cam-primary-housing-gasket-only-big-twin-5-pk-oe-60-68-9145f5","title":"Cometic Primary Housing Gasket 5-Pack - Harley Evo Big Twin \u0026 Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eEnsure you always have a fresh seal on hand with this Cometic primary housing gasket 5-pack. Engineered to OEM standards, these gaskets are essential for preventing oil leaks from the primary cover on Evo Big Twin and Twin Cam V-twin engines.\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;\"\u003eBulk 5-pack for shops or multi-bike owners\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eOEM-grade quality for reliable primary sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits Evo Big Twin and Twin Cam engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrevents oil leaks and seepage\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEnsures a clean and secure primary cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor busy shops or riders who frequently service multiple bikes, this 5-pack of Cometic primary housing gaskets is a smart choice. Each gasket provides an OEM-grade seal, critical for maintaining the integrity of your primary drive and preventing messy oil seepage.\u003c\/p\u003e\u003ch3\u003eReliable Sealing in Quantity\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConvenient 5-pack for multiple services or spares\u003c\/li\u003e\n\u003cli\u003eOEM-grade material for consistent and dependable sealing\u003c\/li\u003e\n\u003cli\u003eCompatible with both Evo Big Twin and Twin Cam engines\u003c\/li\u003e\n\u003cli\u003eEngineered to resist oil weeping at the primary cover\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Regular Maintenance\u003c\/h3\u003e\u003cp\u003eWhether you're swapping clutches, inspecting your primary chain, or simply performing routine fluid changes, replacing the primary housing gasket is a best practice. Having a multi-pack ensures you're never caught without a crucial component, allowing for efficient and leak-free reassembly every time you open the primary on your Harley or Indian 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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9145F5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 5 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.61 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 gaskets are included in this pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis product is a convenient 5-pack, providing five individual primary housing gaskets, ideal for shops or riders who perform frequent maintenance.\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 gasket suitable for Milwaukee-Eight engines?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this specific primary housing gasket is designed for Evo Big Twin and Twin Cam engines only. Milwaukee-Eight engines require a different gasket 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;\"\u003eCan I reuse my old primary gasket?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eWhile some gaskets can be reused if undamaged, it is generally recommended to use a new gasket every time the primary cover is removed to ensure a perfect, leak-free seal and prevent future issues.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Primary Housing Gasket 5-Pack - Harley Evo Big Twin \u0026 Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-evo-big-twin-twin-cam-primary-housing-gasket-only-big-twin-5-pk-oe-60-68-9145f5\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many gaskets are included in this pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This product is a convenient 5-pack, providing five individual primary housing gaskets, ideal for shops or riders who perform frequent maintenance.\"}},{\"@type\":\"Question\",\"name\":\"Is this gasket suitable for Milwaukee-Eight engines?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this specific primary housing gasket is designed for Evo Big Twin and Twin Cam engines only. Milwaukee-Eight engines require a different gasket part number.\"}},{\"@type\":\"Question\",\"name\":\"Can I reuse my old primary gasket?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"While some gaskets can be reused if undamaged, it is generally recommended to use a new gasket every time the primary cover is removed to ensure a perfect, leak-free seal and prevent future issues.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035122032751,"sku":"68-9145F5","price":200.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_4a8775ef-f287-456d-ba95-8702c0fb6f3d.png?v=1779560678"},{"product_id":"cometic-twin-cam-est-gasket-kit-68-9147","title":"Cometic Complete Engine Gasket Kit - Twin Cam EST 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eUndertake a complete engine overhaul with confidence using the Cometic Twin Cam EST gasket kit. This comprehensive kit provides every gasket, seal, washer, and o-ring needed to rebuild your Twin Cam-equipped V-twin motorcycle.\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;\"\u003eComplete engine overhaul kit for Twin Cam EST\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFeatures MLS head gaskets and Viton seals\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes all necessary gaskets, washers, o-rings\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEngineered with AFM material components\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for modern high-performance Twin Cam engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're tearing down a Twin Cam EST engine for a full rebuild, you need a gasket kit that leaves nothing to chance. Cometic delivers with this all-inclusive kit, featuring advanced materials engineered to stand up to the demands of modern performance V-twins. It's the foundation for a reliable and powerful engine rebuild.\u003c\/p\u003e\u003ch3\u003eAdvanced Sealing for High Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMulti-Layer Steel (MLS) head gaskets for superior cylinder sealing\u003c\/li\u003e\n\u003cli\u003eSteel Viton-coated base gaskets offer enhanced durability and heat resistance\u003c\/li\u003e\n\u003cli\u003eBlue Viton valve stem seals optimize valve train performance\u003c\/li\u003e\n\u003cli\u003eAFM material components provide robust and reliable sealing\u003c\/li\u003e\n\u003cli\u003eComplete kit ensures no missing seals for your engine overhaul\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReady for Your Next Engine Project\u003c\/h3\u003e\u003cp\u003eThis Cometic Twin Cam EST gasket kit is designed for the serious builder or mechanic. With every necessary sealing component included, from the top end to the bottom, you can focus on the rebuild process without the hassle of sourcing individual parts. It's built to provide a long-lasting, leak-free engine, ensuring your Harley-Davidson performs at its best after the overhaul.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9147\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7.1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1.7 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.92 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 types of gaskets are included in this kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis complete kit features MLS (Multi-Layer Steel) head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and other AFM material components, covering all sealing needs for an engine overhaul.\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 gasket kit compatible with all Harley-Davidson Twin Cam models?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is specifically engineered for Harley-Davidson Twin Cam EST engines. It is crucial to confirm your engine's exact designation to ensure proper fitment for your model.\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 I need to purchase any additional seals or gaskets for a full engine rebuild?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a comprehensive kit designed to supply every gasket, seal, washer, and o-ring required for a complete engine overhaul, eliminating the need for separate purchases.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Complete Engine Gasket Kit - Twin Cam EST Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-est-gasket-kit-68-9147\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What types of gaskets are included in this kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This complete kit features MLS (Multi-Layer Steel) head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and other AFM material components, covering all sealing needs for an engine overhaul.\"}},{\"@type\":\"Question\",\"name\":\"Is this gasket kit compatible with all Harley-Davidson Twin Cam models?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is specifically engineered for Harley-Davidson Twin Cam EST engines. It is crucial to confirm your engine's exact designation to ensure proper fitment for your model.\"}},{\"@type\":\"Question\",\"name\":\"Will I need to purchase any additional seals or gaskets for a full engine rebuild?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a comprehensive kit designed to supply every gasket, seal, washer, and o-ring required for a complete engine overhaul, eliminating the need for separate purchases.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035121999983,"sku":"68-9147","price":147.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_dc9148cc-8aab-4f68-8c9b-bd4c3e2f7128.png?v=1779560683"},{"product_id":"cometic-twin-cam-est-gasket-kit-68-9148","title":"Cometic Complete Engine Gasket Kit - Twin Cam EST Harley-Davidson Dyna","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003ePerform a complete V-twin engine overhaul with the Cometic Twin Cam EST gasket kit. This comprehensive kit contains every gasket, seal, washer, and o-ring necessary to rebuild your Harley-Davidson Twin Cam EST engine.\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;\"\u003eComplete engine overhaul kit for Twin Cam EST\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes MLS head gaskets for reliable sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eSteel Viton-coated base gaskets for durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBlue Viton valve stem seals for optimal performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eAll gaskets and seals included for full overhaul\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen it's time for a full refresh of your Twin Cam EST engine, cutting corners on gaskets isn't an option. This Cometic kit provides all the high-quality sealing components you need, ensuring a durable, leak-free rebuild. It's designed to meet the rigorous demands of your Harley-Davidson, giving you confidence in your engine's performance for miles to come.\u003c\/p\u003e\u003ch3\u003ePremium Sealing for Engine Longevity\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMulti-Layer Steel (MLS) head gaskets for superior cylinder sealing\u003c\/li\u003e\n\u003cli\u003eSteel Viton-coated base gaskets offer enhanced durability and heat resistance\u003c\/li\u003e\n\u003cli\u003eBlue Viton valve stem seals ensure optimal valve train performance\u003c\/li\u003e\n\u003cli\u003eAFM material components provide robust and reliable sealing throughout the engine\u003c\/li\u003e\n\u003cli\u003eComplete kit includes all gaskets and seals required for a full overhaul\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Right Kit for Your Twin Cam Dyna\u003c\/h3\u003e\u003cp\u003eWhether you're bringing an older Twin Cam Dyna back to life or addressing a high-mileage engine, this Cometic gasket kit is your go-to solution. It simplifies the overhaul process by providing all critical sealing components in one package, allowing you to focus on precise assembly and get your Dyna back on the road with a fresh, dependable engine.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9148\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.416 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 is included in this Twin Cam EST gasket kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis comprehensive kit includes every gasket, seal, washer, and o-ring required for a complete engine overhaul, such as MLS head gaskets, steel Viton-coated base gaskets, and blue Viton valve stem seals.\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 gasket kit specifically for Harley-Davidson Twin Cam engines?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this kit is precisely engineered for Harley-Davidson Twin Cam EST engines, ensuring proper fitment and performance for your V-twin.\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 purchase any additional gaskets if I buy this kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this is a complete engine overhaul kit, meaning it contains all the necessary gaskets and seals needed for a full rebuild, so no separate purchases are required.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Complete Engine Gasket Kit - Twin Cam EST Harley-Davidson Dyna\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-est-gasket-kit-68-9148\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is included in this Twin Cam EST gasket kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This comprehensive kit includes every gasket, seal, washer, and o-ring required for a complete engine overhaul, such as MLS head gaskets, steel Viton-coated base gaskets, and blue Viton valve stem seals.\"}},{\"@type\":\"Question\",\"name\":\"Is this gasket kit specifically for Harley-Davidson Twin Cam engines?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this kit is precisely engineered for Harley-Davidson Twin Cam EST engines, ensuring proper fitment and performance for your V-twin.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to purchase any additional gaskets if I buy this kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is a complete engine overhaul kit, meaning it contains all the necessary gaskets and seals needed for a full rebuild, so no separate purchases are required.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035122819183,"sku":"68-9148","price":207.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_dbd8f2e4-7aa6-45c2-93db-d82fcf7b5ad3.png?v=1779560681"},{"product_id":"cometic-twin-cam-est-gasket-kit-68-9149","title":"Cometic Complete Engine Gasket Kit - Twin Cam EST Harley-Davidson Dyna","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eRebuild your Harley-Davidson Twin Cam EST engine with confidence using this comprehensive Cometic gasket kit. It provides all the gaskets, seals, washers, and o-rings necessary for a complete and leak-free engine overhaul.\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;\"\u003eComplete engine overhaul kit for Twin Cam EST\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFeatures MLS head gaskets for reliable sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eSteel Viton-coated base gaskets for durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBlue Viton valve stem seals for optimal performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eAll gaskets, seals, washers, and o-rings included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're performing a full engine overhaul on your Twin Cam EST Dyna, the quality of your gaskets is paramount. This Cometic kit includes premium components like Multi-Layer Steel (MLS) head gaskets and Viton-coated seals, engineered to deliver superior sealing and durability for your high-performance V-twin.\u003c\/p\u003e\u003ch3\u003eEngineered for a Complete Rebuild\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMulti-Layer Steel (MLS) head gaskets for robust cylinder sealing\u003c\/li\u003e\n\u003cli\u003eSteel Viton-coated base gaskets resist heat and chemical breakdown\u003c\/li\u003e\n\u003cli\u003eBlue Viton valve stem seals ensure optimal valve train operation\u003c\/li\u003e\n\u003cli\u003eIncludes all gaskets, seals, washers, and o-rings for a complete overhaul\u003c\/li\u003e\n\u003cli\u003eAFM material gaskets provide reliable sealing across various engine components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eConfidence in Every Seal\u003c\/h3\u003e\u003cp\u003eThis Cometic Twin Cam EST gasket kit is designed to provide everything you need for a thorough engine rebuild, eliminating the guesswork and hassle of piecing together individual seals. With components engineered for specific Harley-Davidson Twin Cam applications, you can trust that your engine will be sealed correctly, ready for many more miles of hard riding.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9149\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.22 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 specific components are included in this gasket kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is a complete engine overhaul package, including MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and all other necessary gaskets, seals, washers, and o-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;\"\u003eWill this kit fit my specific Twin Cam engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis is an EST-specific kit for Harley-Davidson Twin Cam engines. Please verify your engine designation (e.g., Twin Cam EST) on your bike's documentation to confirm compatibility before purchasing.\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 the head gaskets in this kit made of Multi-Layer Steel (MLS)?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this Cometic Twin Cam EST gasket kit features high-quality Multi-Layer Steel (MLS) head gaskets, known for their superior sealing capabilities and durability.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Complete Engine Gasket Kit - Twin Cam EST Harley-Davidson Dyna\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-est-gasket-kit-68-9149\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What specific components are included in this gasket kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is a complete engine overhaul package, including MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and all other necessary gaskets, seals, washers, and o-rings.\"}},{\"@type\":\"Question\",\"name\":\"Will this kit fit my specific Twin Cam engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This is an EST-specific kit for Harley-Davidson Twin Cam engines. Please verify your engine designation (e.g., Twin Cam EST) on your bike's documentation to confirm compatibility before purchasing.\"}},{\"@type\":\"Question\",\"name\":\"Are the head gaskets in this kit made of Multi-Layer Steel (MLS)?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this Cometic Twin Cam EST gasket kit features high-quality Multi-Layer Steel (MLS) head gaskets, known for their superior sealing capabilities and durability.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035122884719,"sku":"68-9149","price":207.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_def3eb86-2207-4cdd-b9eb-8715586dfb6e.png?v=1779560681"},{"product_id":"cometic-evo-big-twin-twin-cam-primary-housing-gasket-and-seal-big-twin-kit-68-9150","title":"Cometic Primary Housing Gasket \u0026 Seal Kit - Harley Evolution \u0026 Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThe Cometic Primary Housing Gasket and Seal Kit provides a robust solution for sealing the primary cover on your Evolution Big Twin or Twin Cam engine. This kit uses modern gasket materials and precision engineering to prevent leaks and maintain performance. It's an essential component for any primary service or 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;\"\u003ePrecision-engineered for a tight, leak-free primary seal\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eModern gasket materials for enhanced durability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDesigned for Evolution Big Twin and Twin Cam engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEssential for primary cover maintenance or rebuilds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're wrenching on your Harley, a reliable primary seal is critical. The Cometic Primary Housing Gasket and Seal Kit is engineered to meet the demands of performance V-twin engines, ensuring a leak-free primary cover. This kit includes all necessary gaskets and seals to get the job done right, whether you're performing routine maintenance or a full engine overhaul.\u003c\/p\u003e\u003ch3\u003eEngineered for a Superior Seal\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned with precision tolerances for a perfect fit\u003c\/li\u003e\n\u003cli\u003eUtilizes advanced gasket materials for enhanced durability and sealing\u003c\/li\u003e\n\u003cli\u003eWithstands the rigors of high-performance engine operation\u003c\/li\u003e\n\u003cli\u003eDirect replacement for your worn or leaking factory primary gaskets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReliable Sealing for Your V-Twin\u003c\/h3\u003e\u003cp\u003eThis Cometic kit is built for the long haul, providing peace of mind that your primary is sealed against leaks. It's a smart upgrade for any Evolution Big Twin or Twin Cam owner looking for improved reliability during maintenance or performance builds. Ensure a clean, secure seal every time you service your primary with Cometic's proven gasket technology.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9150\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191070019334\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 22.7 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 13.2 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1.9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.05 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 kit fit my Evolution Big Twin engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this Cometic kit is specifically designed for Evolution Big Twin primary housings, ensuring a precise fit and reliable seal.\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 compatible with Twin Cam engines as well?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eAbsolutely, this gasket and seal kit covers both Evolution Big Twin and Twin Cam engine platforms, providing versatile fitment.\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 components are included in this primary gasket kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit includes the primary housing gasket and all necessary seals required to effectively reseal the primary cover assembly on your V-twin.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Primary Housing Gasket \u0026 Seal Kit - Harley Evolution \u0026 Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-evo-big-twin-twin-cam-primary-housing-gasket-and-seal-big-twin-kit-68-9150\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this kit fit my Evolution Big Twin engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this Cometic kit is specifically designed for Evolution Big Twin primary housings, ensuring a precise fit and reliable seal.\"}},{\"@type\":\"Question\",\"name\":\"Is this compatible with Twin Cam engines as well?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Absolutely, this gasket and seal kit covers both Evolution Big Twin and Twin Cam engine platforms, providing versatile fitment.\"}},{\"@type\":\"Question\",\"name\":\"What components are included in this primary gasket kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit includes the primary housing gasket and all necessary seals required to effectively reseal the primary cover assembly on your V-twin.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035122917487,"sku":"68-9150","price":120.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_54e75dc8-cfc1-43e4-a7e6-ee2975fc9a33.png?v=1779561239"},{"product_id":"cometic-twin-cam-transmission-gasket-kit-68-9151","title":"Cometic Twin Cam Transmission Gasket Kit - Harley Dyna \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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThe Cometic Twin Cam Transmission Gasket Kit is engineered to provide a reliable seal for your V-twin transmission case. This kit uses high-quality materials to withstand the demands of Twin Cam engines, preventing leaks and maintaining optimal performance. It's a critical component for any transmission service.\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;\"\u003eEngineered for Twin Cam transmission cases\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eOEM-quality design for reliable sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrevents leaks under demanding conditions\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eComplete kit for transmission service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen tackling transmission work on your Twin Cam, a proper seal is non-negotiable. The Cometic Twin Cam Transmission Gasket Kit offers the precision and durability needed to keep your gearset sealed tight. Designed to exacting standards, these gaskets ensure that your transmission fluid stays where it belongs, even under aggressive riding conditions. This kit includes everything you need for a complete transmission reseal, giving you confidence in your build.\u003c\/p\u003e\u003ch3\u003eReliable Sealing for Your Drivetrain\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngineered for Twin Cam transmission cases\u003c\/li\u003e\n\u003cli\u003eOEM-quality seal design for dependable performance\u003c\/li\u003e\n\u003cli\u003eWithstands high-stress conditions without leaking\u003c\/li\u003e\n\u003cli\u003eEssential for transmission rebuilds or maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaintain Peak Drivetrain Performance\u003c\/h3\u003e\u003cp\u003eUsing the Cometic Twin Cam Transmission Gasket Kit helps ensure your V-twin's drivetrain operates smoothly and efficiently. Whether you're upgrading components or performing routine service, these gaskets provide the foundation for a leak-free transmission. Trust Cometic to deliver the quality and reliability your Harley deserves, keeping your power where it belongs: 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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9151\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.38 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 gasket kit for my Twin Cam transmission?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this Cometic kit contains the full set of gaskets needed for comprehensive Twin Cam transmission service, ensuring you have all necessary 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;\"\u003eWill this fit my Harley-Davidson Twin Cam model?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is designed for V-twin motorcycles with Twin Cam transmission cases. Please confirm your specific model year and engine type using our 'Shop by Bike' feature before ordering to ensure compatibility.\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 there any special tools required for installation?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eWhile no highly specialized tools are typically required beyond standard shop equipment, a gasket scraper and torque wrench are recommended. Always consult your service manual for precise installation sequences and torque specifications.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Twin Cam Transmission Gasket Kit - Harley Dyna \u0026 Softail\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-transmission-gasket-kit-68-9151\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is this a complete gasket kit for my Twin Cam transmission?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this Cometic kit contains the full set of gaskets needed for comprehensive Twin Cam transmission service, ensuring you have all necessary components.\"}},{\"@type\":\"Question\",\"name\":\"Will this fit my Harley-Davidson Twin Cam model?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is designed for V-twin motorcycles with Twin Cam transmission cases. Please confirm your specific model year and engine type using our 'Shop by Bike' feature before ordering to ensure compatibility.\"}},{\"@type\":\"Question\",\"name\":\"Are there any special tools required for installation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"While no highly specialized tools are typically required beyond standard shop equipment, a gasket scraper and torque wrench are recommended. Always consult your service manual for precise installation sequences and torque specifications.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035122950255,"sku":"68-9151","price":72.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_125eb73c-b63c-413d-9011-a0e1d9e5f55f.png?v=1779561235"},{"product_id":"cometic-twin-cam-inspection-derby-cover-gasket-big-twin-ea-1-pk-oe-17369-06-68-9152f1","title":"Cometic Twin Cam Inspection\/Derby Cover Gasket - Single - Harley Big 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThe Cometic Twin Cam Inspection\/Derby Cover Gasket is an essential replacement for your Big Twin V-twin engine. Designed to OEM specifications, this gasket ensures a tight, leak-free seal for your inspection cover, preventing unsightly oil weeping. It's a straightforward replacement that maintains the integrity of your primary system.\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;\"\u003eOEM-specification for Twin Cam Big Twin engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDirect replacement for factory derby cover gasket\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEnsures a leak-free primary inspection cover\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eHigh-quality materials for lasting durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA leaking derby cover is more than just an annoyance; it's a sign that your gasket needs attention. The Cometic Twin Cam Inspection\/Derby Cover Gasket provides a reliable, direct-fit solution for your Harley Big Twin. Engineered to match the factory part, this gasket ensures that the inspection cover seals perfectly to the crankcase, keeping your primary oil contained. It's a quick and easy fix that makes a big difference in the cleanliness and performance of your bike.\u003c\/p\u003e\u003ch3\u003ePrecision Sealing for Your Primary\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM-specification gasket for Twin Cam Big Twin engines\u003c\/li\u003e\n\u003cli\u003eDirect replacement for the factory inspection\/derby cover gasket\u003c\/li\u003e\n\u003cli\u003eEnsures a leak-free seal to prevent oil weeping\u003c\/li\u003e\n\u003cli\u003eManufactured with quality materials for durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSimple Maintenance for Lasting Performance\u003c\/h3\u003e\u003cp\u003eReplacing your inspection\/derby cover gasket is a routine maintenance item that shouldn't be overlooked. This Cometic gasket offers a dependable seal, giving you peace of mind on every ride. Whether you're performing an oil change or just refreshing your primary, this single gasket provides the quality and fitment you need to keep your Harley running clean and strong.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9152F1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Part #:\u003c\/strong\u003e 17369-06\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191070004682\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.4 in L × 0.5 in W × 0.6 in H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.01 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;\"\u003eWhich Harley-Davidson engines does this gasket fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket is designed for Harley Twin Cam Big Twin engines. We recommend cross-referencing with your original equipment part number to confirm exact compatibility for your model.\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 direct replacement for the original OEM gasket?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this Cometic gasket is engineered to directly replace the OEM inspection\/derby cover gasket, matching factory specifications for a perfect 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 any special tools for installation?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo special tools are typically required for this installation. You'll generally just need basic hand tools to remove the cover bolts, clean the old gasket surface, install the new gasket, and re-torque the cover.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Twin Cam Inspection\/Derby Cover Gasket - Single - Harley Big Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-inspection-derby-cover-gasket-big-twin-ea-1-pk-oe-17369-06-68-9152f1\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which Harley-Davidson engines does this gasket fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket is designed for Harley Twin Cam Big Twin engines. We recommend cross-referencing with your original equipment part number to confirm exact compatibility for your model.\"}},{\"@type\":\"Question\",\"name\":\"Is this a direct replacement for the original OEM gasket?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this Cometic gasket is engineered to directly replace the OEM inspection\/derby cover gasket, matching factory specifications for a perfect fit.\"}},{\"@type\":\"Question\",\"name\":\"Do I need any special tools for installation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No special tools are typically required for this installation. You'll generally just need basic hand tools to remove the cover bolts, clean the old gasket surface, install the new gasket, and re-torque the cover.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035122983023,"sku":"68-9152F1","price":8.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_0b3c3ee7-2e9d-4c89-a081-65e0108033d0.png?v=1779560682"},{"product_id":"cometic-twin-cam-inspection-derby-cover-gasket-big-twin-5-pk-oe-17369-06-68-9152f5","title":"Cometic Twin Cam Inspection\/Derby Cover Gasket - 5-Pack - Harley Big 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThe Cometic Twin Cam Inspection\/Derby Cover Gasket 5-pack provides a convenient way to keep your Harley or Indian V-twin sealed. These OEM-equivalent gaskets are designed to prevent oil weeping from your inspection cover, ensuring a clean and reliable primary system. It's an essential item for any rider or shop performing regular maintenance.\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;\"\u003eConvenient 5-pack for multiple services\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDirect OEM replacement for Twin Cam engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEnsures a reliable, leak-free primary cover\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eHigh-quality construction for consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRegular primary maintenance often means replacing the derby cover gasket. This Cometic Twin Cam Inspection\/Derby Cover Gasket 5-pack ensures you always have a fresh, high-quality seal on hand. Each gasket is engineered to precise OEM specifications, guaranteeing a perfect fit and a leak-free primary cover on your Harley or Indian Big Twin. This multi-pack is ideal for riders who do their own wrenching frequently or for shops that service multiple V-twin motorcycles.\u003c\/p\u003e\u003ch3\u003eConvenient Multi-Pack for Maintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFive-pack quantity for multiple uses or stocking spares\u003c\/li\u003e\n\u003cli\u003eDirect OEM replacement gasket for Twin Cam engines\u003c\/li\u003e\n\u003cli\u003eEnsures a reliable, leak-free inspection\/derby cover seal\u003c\/li\u003e\n\u003cli\u003eHigh-quality construction for consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKeep Your Primary Sealed and Ready\u003c\/h3\u003e\u003cp\u003eHaving a supply of reliable derby cover gaskets means you're always prepared for routine oil changes or unexpected primary access. The Cometic Twin Cam Inspection\/Derby Cover Gasket 5-pack delivers the quality and convenience needed to maintain your V-twin's primary system effectively. Trust in Cometic's engineering to keep your Harley or Indian running clean and performing at its best, without the worry of oil leaks.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9152F5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 5 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6.8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5.3 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.7 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.14 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 gaskets are included in this pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis product is a 5-pack, meaning you receive five individual gaskets, which is perfect for multiple maintenance cycles or keeping spares on hand.\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 direct OEM replacement for my Harley or Indian?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, Cometic manufactures these gaskets to OEM specifications, making them a direct-fit replacement for the derby cover seal on Twin Cam V-twin engines in Harley-Davidson and Indian motorcycles.\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 engines are these gaskets compatible with?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThese gaskets are designed for Twin Cam V-twin engines found in Harley-Davidson and Indian motorcycles. We recommend verifying your specific engine type before placing an order to ensure perfect compatibility.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Twin Cam Inspection\/Derby Cover Gasket - 5-Pack - Harley Big Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-inspection-derby-cover-gasket-big-twin-5-pk-oe-17369-06-68-9152f5\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many gaskets are included in this pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This product is a 5-pack, meaning you receive five individual gaskets, which is perfect for multiple maintenance cycles or keeping spares on hand.\"}},{\"@type\":\"Question\",\"name\":\"Is this a direct OEM replacement for my Harley or Indian?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, Cometic manufactures these gaskets to OEM specifications, making them a direct-fit replacement for the derby cover seal on Twin Cam V-twin engines in Harley-Davidson and Indian motorcycles.\"}},{\"@type\":\"Question\",\"name\":\"What engines are these gaskets compatible with?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These gaskets are designed for Twin Cam V-twin engines found in Harley-Davidson and Indian motorcycles. We recommend verifying your specific engine type before placing an order to ensure perfect compatibility.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035123834991,"sku":"68-9152F5","price":35.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_870c6b91-4fb8-4cb8-8f32-517e6677c98f.png?v=1779561238"},{"product_id":"cometic-twin-cam-est-gasket-kit-68-9155","title":"Cometic Twin Cam EST Complete Engine Gasket Kit - Harley Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThe Cometic Twin Cam EST Gasket Kit is a comprehensive engine overhaul set designed for Harley-Davidson Twin Cam motors. This kit includes everything you need for a complete gasket replacement, from MLS head gaskets to Viton valve stem seals, ensuring a leak-free and high-performing engine rebuild. It's the ultimate solution for a full top-end or bottom-end 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;\"\u003eComplete engine overhaul gasket kit for Twin Cam\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes MLS head gaskets and Viton-coated base gaskets\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFeatures blue Viton valve stem seals for oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eAll necessary fasteners and O-rings included\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEngineered for superior sealing and durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen it's time for a complete engine overhaul on your Harley Twin Cam, you need a gasket kit you can trust. The Cometic Twin Cam EST Gasket Kit provides all the critical sealing components required to bring your motor back to peak condition. Featuring advanced MLS (Multi-Layer Steel) head gaskets for superior sealing under extreme conditions, steel Viton-coated base gaskets for durability, and blue Viton valve stem seals for optimal oil control, this kit is engineered for performance and longevity. All AFM material components are included, ensuring every seal point is covered.\u003c\/p\u003e\u003ch3\u003eComprehensive Sealing for Your Twin Cam\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIncludes advanced MLS head gaskets for superior sealing\u003c\/li\u003e\n\u003cli\u003eFeatures steel Viton-coated base gaskets for durability\u003c\/li\u003e\n\u003cli\u003eContains blue Viton valve stem seals for oil control\u003c\/li\u003e\n\u003cli\u003eComplete overhaul kit with all necessary fasteners and O-rings\u003c\/li\u003e\n\u003cli\u003eUtilizes high-quality AFM material components throughout\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eConfidence in Your Engine Rebuild\u003c\/h3\u003e\u003cp\u003eA full engine rebuild is a significant undertaking, and the quality of your gaskets is paramount to its success. The Cometic Twin Cam EST Gasket Kit eliminates guesswork by providing a complete, high-quality solution that meets or exceeds OEM standards. Whether you're chasing more power or simply restoring reliability, this kit ensures a tight, leak-free seal across your entire Twin Cam engine, allowing you to ride with confidence knowing your motor is properly sealed.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9155\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 8.97 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7.4 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 2.04 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.05 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 specific components are included in this Cometic Twin Cam EST Gasket Kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis comprehensive kit includes MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, AFM material components, and all necessary fasteners and O-rings for a complete engine overhaul.\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 gasket kit fit my particular Twin Cam engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is specifically designed for Harley-Davidson Twin Cam EST motors. We advise verifying your engine designation to ensure it matches this EST variant before placing your order.\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 purchase any additional gaskets or seals separately after buying this kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, Cometic engineered this kit to be a complete overhaul solution, including every gasket, seal, washer, and O-ring needed for a full Twin Cam EST 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Twin Cam EST Complete Engine Gasket Kit - Harley Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-est-gasket-kit-68-9155\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What specific components are included in this Cometic Twin Cam EST Gasket Kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This comprehensive kit includes MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, AFM material components, and all necessary fasteners and O-rings for a complete engine overhaul.\"}},{\"@type\":\"Question\",\"name\":\"Will this gasket kit fit my particular Twin Cam engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is specifically designed for Harley-Davidson Twin Cam EST motors. We advise verifying your engine designation to ensure it matches this EST variant before placing your order.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to purchase any additional gaskets or seals separately after buying this kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, Cometic engineered this kit to be a complete overhaul solution, including every gasket, seal, washer, and O-ring needed for a full Twin Cam EST engine rebuild.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035123802223,"sku":"68-9155","price":73.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_285daeba-d9da-44ba-959f-882e186bc63d.png?v=1779560732"},{"product_id":"cometic-twin-cam-est-gasket-kit-68-9161","title":"Cometic Twin Cam EST Gasket Kit - Harley Dyna Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThe Cometic Twin Cam EST Gasket Kit provides a complete sealing solution for a full engine overhaul on Harley-Davidson Twin Cam models. This comprehensive kit includes MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and all necessary AFM material components. It's engineered to restore your engine's integrity and 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;\"\u003eComplete engine overhaul kit for Twin Cam EST\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes MLS head gaskets and Viton-coated base gaskets\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eAll gaskets, seals, washers, and O-rings provided\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBlue Viton valve stem seals for optimal oil control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEnsures a leak-free and reliable engine rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen rebuilding a Twin Cam engine, every gasket and seal matters. The Cometic Twin Cam EST Gasket Kit is meticulously assembled to supply every single component required for a complete engine overhaul on specific Harley-Davidson Twin Cam models. This means no more hunting for individual parts; you get a unified solution designed for optimal sealing. The kit incorporates advanced sealing technologies like MLS (Multi-Layer Steel) head gaskets for superior combustion chamber sealing and Viton-coated base gaskets for robust cylinder sealing, ensuring your rebuilt engine performs reliably.\u003c\/p\u003e\u003ch3\u003eAll-Inclusive Engine Sealing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComplete kit with every gasket, seal, washer, and O-ring for an overhaul\u003c\/li\u003e\n\u003cli\u003eFeatures high-performance MLS head gaskets\u003c\/li\u003e\n\u003cli\u003eIncludes durable steel Viton-coated base gaskets\u003c\/li\u003e\n\u003cli\u003eComes with blue Viton valve stem seals for precise oil control\u003c\/li\u003e\n\u003cli\u003eUtilizes premium AFM material components throughout\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDependable Performance Post-Rebuild\u003c\/h3\u003e\u003cp\u003eA successful engine overhaul hinges on the quality of its sealing components. The Cometic Twin Cam EST Gasket Kit delivers that quality, providing peace of mind that your Harley Dyna's engine will be sealed tight and ready for the road. From the top end to the bottom, this kit ensures every critical junction is protected against leaks, contributing to sustained performance and reliability. Invest in Cometic for a rebuild that stands the test of time and the 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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9161\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 22.8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 13.1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1.9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.05 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 exactly is included in this Cometic Twin Cam EST gasket kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is a complete engine overhaul package, providing every gasket, seal, washer, and O-ring needed, including MLS head gaskets, steel Viton-coated base gaskets, and blue Viton valve stem seals.\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 kit fit my specific Twin Cam year and model?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is specifically for Twin Cam EST models. It's crucial to verify your engine variant matches this designation before ordering, as other Twin Cam generations may require different part numbers for proper fitment.\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 purchase any additional seals or gaskets beyond this kit for a complete overhaul?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this Cometic kit is designed as a complete engine overhaul solution, meaning it includes all the gaskets and seals necessary for a comprehensive 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Twin Cam EST Gasket Kit - Harley Dyna Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-est-gasket-kit-68-9161\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What exactly is included in this Cometic Twin Cam EST gasket kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is a complete engine overhaul package, providing every gasket, seal, washer, and O-ring needed, including MLS head gaskets, steel Viton-coated base gaskets, and blue Viton valve stem seals.\"}},{\"@type\":\"Question\",\"name\":\"Will this kit fit my specific Twin Cam year and model?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is specifically for Twin Cam EST models. It's crucial to verify your engine variant matches this designation before ordering, as other Twin Cam generations may require different part numbers for proper fitment.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to purchase any additional seals or gaskets beyond this kit for a complete overhaul?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this Cometic kit is designed as a complete engine overhaul solution, meaning it includes all the gaskets and seals necessary for a comprehensive rebuild.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035123867759,"sku":"68-9161","price":207.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_69f55eaf-dc16-4671-b6c5-8b486ed59a83.png?v=1779561238"},{"product_id":"cometic-evo-big-twin-est-gasket-kit-68-9164","title":"Cometic EST Complete Gasket Kit - Harley Evolution Big 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Cometic EST gasket kit provides every gasket, seal, washer, and O-ring required for a full engine overhaul on your Evolution Big Twin V-twin. Engineered for robust sealing, this kit ensures your rebuild stands up to the demands of the road. It's the comprehensive solution for riders aiming for a leak-free, high-performance engine.\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;\"\u003eComplete kit for full Evolution Big Twin engine overhaul\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMulti-Layer Steel (MLS) head gaskets for durable sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eSteel Viton-coated base gaskets resist heat and chemicals\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBlue Viton valve stem seals prevent oil leaks\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eAFM material ensures consistent sealing across temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're tearing down an Evolution Big Twin for a rebuild, the last thing you want is to chase down individual gaskets and seals. This Cometic EST gasket kit simplifies the process, providing a complete set of components specifically designed for your Evo motor. From the top end to the bottom, you'll have everything needed to ensure a tight, reliable seal on your powerplant, letting you get back on the road with confidence.\u003c\/p\u003e\u003ch3\u003eAdvanced Sealing Technology\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIncludes Multi-Layer Steel (MLS) head gaskets for superior sealing under extreme conditions\u003c\/li\u003e\n\u003cli\u003eFeatures steel Viton-coated base gaskets for enhanced durability and resistance to chemicals\u003c\/li\u003e\n\u003cli\u003eEquipped with blue Viton valve stem seals to prevent oil seepage at the guides\u003c\/li\u003e\n\u003cli\u003eUtilizes AFM material components for reliable sealing across a wide range of engine temperatures\u003c\/li\u003e\n\u003cli\u003eA complete kit with all necessary gaskets, seals, washers, and O-rings for a full engine overhaul\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRebuild with Confidence\u003c\/h3\u003e\u003cp\u003eA proper engine rebuild starts with quality gaskets, and Cometic delivers with this EST kit. Designed for the specific needs of Evolution Big Twin engines, these components meet the demands of performance riders. Whether you're refreshing a high-mileage motor or buttoning up a performance build, this kit provides peace of mind that your engine will be sealed correctly, helping to maintain optimal compression and oil control.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9164\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.71 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Type:\u003c\/strong\u003e Evo Big Twin\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 platforms does this gasket kit fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis Cometic EST gasket kit is specifically designed for Evolution Big Twin V-twin engines found in various Harley-Davidson 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;\"\u003eDoes this kit include everything for an engine rebuild?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this comprehensive kit supplies every gasket, seal, washer, and O-ring required for a complete engine overhaul, from top to bottom.\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 gaskets designed for performance applications?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eCometic gaskets are engineered with advanced materials like MLS and Viton-coated steel to provide robust and reliable sealing, suitable for both stock and performance-tuned Evolution Big 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic EST Complete Gasket Kit - Harley Evolution Big Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-evo-big-twin-est-gasket-kit-68-9164\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine platforms does this gasket kit fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This Cometic EST gasket kit is specifically designed for Evolution Big Twin V-twin engines found in various Harley-Davidson models.\"}},{\"@type\":\"Question\",\"name\":\"Does this kit include everything for an engine rebuild?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this comprehensive kit supplies every gasket, seal, washer, and O-ring required for a complete engine overhaul, from top to bottom.\"}},{\"@type\":\"Question\",\"name\":\"Are these gaskets designed for performance applications?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cometic gaskets are engineered with advanced materials like MLS and Viton-coated steel to provide robust and reliable sealing, suitable for both stock and performance-tuned Evolution Big Twin engines.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035123900527,"sku":"68-9164","price":353.56,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_86b9463a-e8c8-4cca-beb5-5db878784fb1.png?v=1779561245"},{"product_id":"cometic-evo-big-twin-twin-cam-valve-stem-seal-oil-seals-twin-cam-10-pk-oe-180-68-9166","title":"Cometic Valve Stem Seals 10-Pack - Harley Evo Big Twin \u0026 Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThese Cometic valve stem seals are essential for maintaining engine health in your Harley-Davidson Evo Big Twin or Twin Cam. Supplied in a convenient 10-pack, they are a direct replacement for your stock seals. Replacing worn valve stem seals is crucial to prevent oil seepage past the valves and into the combustion chamber, ensuring cleaner operation and 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;\"\u003e10-pack for comprehensive valve stem replacement\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDirect OEM replacement for easy installation\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits Evo Big Twin and Twin Cam engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrevents oil seepage for cleaner combustion\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable construction for long-lasting performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOver time, original valve stem seals can harden, crack, and lose their effectiveness, leading to undesirable oil consumption and smoke. This 10-pack of Cometic valve stem seals provides a high-quality solution for refreshing your engine's top end. Designed to meet or exceed OEM specifications, these seals ensure a tight fit and durable performance, keeping oil where it belongs and out of your exhaust.\u003c\/p\u003e\u003ch3\u003eReliable Sealing for Your V-Twin\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupplied in a 10-pack, ideal for a full engine service or multiple replacements\u003c\/li\u003e\n\u003cli\u003eEngineered as a direct OEM replacement for a seamless fit and function\u003c\/li\u003e\n\u003cli\u003eSpecifically designed for Harley-Davidson Evo Big Twin and Twin Cam V-twin engines\u003c\/li\u003e\n\u003cli\u003eHelps prevent oil seepage past the valve stems, reducing smoke and oil consumption\u003c\/li\u003e\n\u003cli\u003eConstructed from durable materials for long-lasting performance and reliability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaintain Peak Engine Performance\u003c\/h3\u003e\u003cp\u003eAddressing worn valve stem seals is a key part of maintaining your V-twin's performance and longevity. Whether you're doing a top-end refresh or a full engine rebuild, these Cometic seals are a critical component. They ensure proper valve lubrication without allowing excess oil into the combustion process, contributing to a cleaner burn and more consistent power delivery. Confirm your engine type 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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9166\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.15 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 per pack\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 valve stem seals are included in this pack?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis Cometic product comes as a 10-pack of valve stem seals, providing enough for most engine applications with spares or for multiple service intervals.\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 Harley-Davidson engines do these seals fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThese valve stem seals are designed to fit both Evolution Big Twin and Twin Cam V-twin engines. Please confirm your engine type 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;\"\u003eWhy is it important to replace valve stem seals?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eValve stem seals wear out over time, leading to oil seeping past the valve guides into the combustion chamber. Replacing them helps prevent excessive oil consumption, exhaust smoke, and maintains 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Valve Stem Seals 10-Pack - Harley Evo Big Twin \u0026 Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-evo-big-twin-twin-cam-valve-stem-seal-oil-seals-twin-cam-10-pk-oe-180-68-9166\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How many valve stem seals are included in this pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This Cometic product comes as a 10-pack of valve stem seals, providing enough for most engine applications with spares or for multiple service intervals.\"}},{\"@type\":\"Question\",\"name\":\"What Harley-Davidson engines do these seals fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These valve stem seals are designed to fit both Evolution Big Twin and Twin Cam V-twin engines. Please confirm your engine type before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Why is it important to replace valve stem seals?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Valve stem seals wear out over time, leading to oil seeping past the valve guides into the combustion chamber. Replacing them helps prevent excessive oil consumption, exhaust smoke, and maintains engine efficiency.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035124719727,"sku":"68-9166","price":40.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_ac1732b5-5300-471b-8956-2fdbd4a792be.png?v=1779561242"},{"product_id":"cometic-twin-cam-rocker-box-assembly-gasket-kit-twin-cam-1-pk-68-9167","title":"Cometic Rocker Box Assembly Gasket Kit - Harley Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Cometic Twin Cam rocker box assembly gasket kit is engineered to provide a reliable seal for your V-twin's rocker box covers. Designed as an OEM-quality replacement, it effectively prevents oil weeping and leaks at the critical rocker box interface. Ensure your Twin Cam engine stays sealed tight with this essential component.\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;\"\u003eSeals Twin Cam rocker box assemblies\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eOEM-quality direct replacement gasket\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrevents oil weeping and leaks\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDurable for V-twin engine environments\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEssential for top-end maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOil leaks from the rocker box are not just unsightly; they can also lead to mess and potential issues down the road. This Cometic gasket kit is specifically tailored for Twin Cam engines, providing a precise fit to seal the upper engine components. Whether you're performing routine maintenance, a top-end upgrade, or addressing an existing leak, this gasket offers the peace of mind that comes with quality sealing.\u003c\/p\u003e\u003ch3\u003ePrecision Sealing for Twin Cam Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSingle gasket per pack, engineered for a precise fit on Twin Cam rocker box assemblies\u003c\/li\u003e\n\u003cli\u003eDirect OEM-quality replacement ensures compatibility and reliable performance\u003c\/li\u003e\n\u003cli\u003ePrevents oil weeping and leaks from the rocker box cover interface\u003c\/li\u003e\n\u003cli\u003eDesigned to withstand the heat and vibrations of a V-twin engine\u003c\/li\u003e\n\u003cli\u003eHelps maintain engine cleanliness and proper oil containment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Top-End Service\u003c\/h3\u003e\u003cp\u003eWhen you're working on the top end of your Twin Cam, a fresh rocker box gasket is a must. This Cometic kit is an ideal choice for any rider undertaking valve train work, cam swaps, or simply resealing the rocker boxes. Using a high-quality gasket like this ensures that your hard work results in a leak-free engine, ready to ride hard without leaving a mark.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9167\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191070030964\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7.5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 2.1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.48 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 Cometic gasket kit fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis gasket kit is specifically designed for Twin Cam rocker box assemblies found on various Harley-Davidson and Indian Motorcycle V-twin 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;\"\u003eHow many gaskets are included in each kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eEach Cometic Twin Cam rocker box assembly gasket kit contains one gasket, sufficient for one rocker box assembly.\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;\"\u003eInstallation typically requires basic hand tools and a gasket scraper. Always consult your motorcycle's service manual for specific torque specifications and removal\/installation procedures for the rocker box cover.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Rocker Box Assembly Gasket Kit - Harley Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-rocker-box-assembly-gasket-kit-twin-cam-1-pk-68-9167\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine does this Cometic gasket kit fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This gasket kit is specifically designed for Twin Cam rocker box assemblies found on various Harley-Davidson and Indian Motorcycle V-twin models.\"}},{\"@type\":\"Question\",\"name\":\"How many gaskets are included in each kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Each Cometic Twin Cam rocker box assembly gasket kit contains one gasket, sufficient for one rocker box assembly.\"}},{\"@type\":\"Question\",\"name\":\"Do I need special tools for installation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Installation typically requires basic hand tools and a gasket scraper. Always consult your motorcycle's service manual for specific torque specifications and removal\/installation procedures for the rocker box cover.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035124752495,"sku":"68-9167","price":54.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_7053da6d-2a73-4a34-8354-00d47a49d524.png?v=1779560685"},{"product_id":"cometic-panhead-shovelhead-evo-big-twin-oil-pump-gasket-seal-rebuild-kit-evo-68-9168","title":"Cometic Oil Pump Gasket \u0026 Seal Rebuild Kit - Panhead, Shovelhead \u0026 Evo Big 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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Cometic oil pump gasket and seal kit is crucial for maintaining the integrity of your classic V-twin's lubrication system. Designed for Panhead, Shovelhead, and Evolution Big Twin engines, this direct replacement set ensures a leak-free seal for your oil pump. It's an essential component for any engine rebuild or service on these iconic platforms, ensuring proper oil pressure and circulation.\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;\"\u003eOil pump gasket and seal set for rebuilds\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits Panhead, Shovelhead, and Evo Big Twin\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrevents oil leaks and maintains pressure\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eDirect replacement for classic V-twins\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEssential for engine longevity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're working on the heart of your Panhead, Shovelhead, or Evo Big Twin, every component matters. The oil pump is vital for engine longevity, and a proper seal is non-negotiable. This Cometic kit provides all the necessary gaskets and seals to rebuild and reseal your oil pump, preventing leaks and maintaining optimal oil flow. Trust Cometic to deliver the quality needed for these classic V-twin powerplants.\u003c\/p\u003e\u003ch3\u003eReliable Sealing for Classic V-Twins\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComplete oil pump gasket and seal set for a thorough rebuild\u003c\/li\u003e\n\u003cli\u003eSpecifically designed for Panhead, Shovelhead, and Evolution Big Twin engines\u003c\/li\u003e\n\u003cli\u003eEngineered to prevent leaks and maintain consistent oil pressure\u003c\/li\u003e\n\u003cli\u003eDirect replacement components for straightforward installation\u003c\/li\u003e\n\u003cli\u003eEnsures proper function of your V-twin's lubrication system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePreserve Your Engine's Heart\u003c\/h3\u003e\u003cp\u003eWhether you're restoring a vintage Panhead, refreshing a Shovelhead, or performing maintenance on an Evo Big Twin, the oil pump is a critical area. Using this Cometic gasket and seal kit during an oil pump service or engine rebuild provides confidence that your lubrication system is properly sealed. This attention to detail helps preserve the life and performance of your legendary V-twin engine.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9168\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7.05 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.3 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.07 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;\"\u003eWhich Harley-Davidson engine platforms does this oil pump kit fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis Cometic oil pump gasket and seal kit is designed to fit Panhead, Shovelhead, and Evolution Big Twin 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 components are included in this rebuild kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThe kit includes the complete set of gaskets and seals necessary to reseal your oil pump during an engine rebuild or service, ensuring a leak-free operation.\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 direct replacement for the original parts?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, these Cometic gaskets and seals are engineered for direct installation, designed to fit the original mounting points of your Panhead, Shovelhead, or Evo Big Twin oil pump.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Oil Pump Gasket \u0026 Seal Rebuild Kit - Panhead, Shovelhead \u0026 Evo Big Twin\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-panhead-shovelhead-evo-big-twin-oil-pump-gasket-seal-rebuild-kit-evo-68-9168\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which Harley-Davidson engine platforms does this oil pump kit fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This Cometic oil pump gasket and seal kit is designed to fit Panhead, Shovelhead, and Evolution Big Twin engines.\"}},{\"@type\":\"Question\",\"name\":\"What components are included in this rebuild kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The kit includes the complete set of gaskets and seals necessary to reseal your oil pump during an engine rebuild or service, ensuring a leak-free operation.\"}},{\"@type\":\"Question\",\"name\":\"Is this a direct replacement for the original parts?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, these Cometic gaskets and seals are engineered for direct installation, designed to fit the original mounting points of your Panhead, Shovelhead, or Evo Big Twin oil pump.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035124785263,"sku":"68-9168","price":25.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_b0fae72f-565c-4f81-b51e-1a4695dc2569.png?v=1779560686"},{"product_id":"cometic-twin-cam-est-gasket-kit-oe-17053-99c-68-9172","title":"Cometic EST Complete Gasket Kit - Harley Twin Cam Touring","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Cometic Twin Cam EST gasket kit provides all the gaskets, seals, washers, and O-rings needed for a complete engine overhaul on your V-twin. Designed for robust sealing, this kit ensures your rebuild stands up to the demands of the road. It's the comprehensive solution for riders aiming for a leak-free, high-performance Twin Cam engine.\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;\"\u003eComplete engine overhaul gasket kit\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMLS head gaskets for enhanced sealing\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eSteel Viton-coated base gaskets\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBlue Viton valve stem seals prevent leaks\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eAFM material for consistent temperature sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you're tackling a full engine overhaul on your Harley Twin Cam, having a complete, high-quality gasket set is non-negotiable. This Cometic EST gasket kit removes the guesswork, supplying every component needed to reseal your motor from top to bottom. With advanced materials and precision engineering, you can trust that your Twin Cam will be buttoned up tight, ready for countless miles of hard riding.\u003c\/p\u003e\u003ch3\u003eAdvanced Sealing for Twin Cam Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComprehensive kit includes all gaskets, seals, washers, and O-rings for a complete engine overhaul\u003c\/li\u003e\n\u003cli\u003eFeatures Multi-Layer Steel (MLS) head gaskets for superior sealing and durability\u003c\/li\u003e\n\u003cli\u003eEquipped with steel Viton-coated base gaskets for enhanced resistance to heat and chemicals\u003c\/li\u003e\n\u003cli\u003eIncludes blue Viton valve stem seals to effectively prevent oil seepage\u003c\/li\u003e\n\u003cli\u003eUtilizes AFM material components for reliable and consistent sealing across all engine temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuild It Right, Ride It Hard\u003c\/h3\u003e\u003cp\u003eA successful engine rebuild hinges on the quality of its sealing components. This Cometic Twin Cam EST gasket kit provides the foundation for a reliable, high-performance engine. Whether you're refreshing a high-mileage Touring bike or preparing a motor for more aggressive riding, these gaskets ensure proper compression, oil containment, and overall engine integrity. Don't compromise when it comes to sealing your Twin Cam.\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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9172\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.89 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 is included in this Cometic EST gasket kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit is a complete overhaul solution, containing every gasket, seal, washer, and O-ring needed for a full engine rebuild, including MLS head gaskets, Viton-coated base gaskets, and valve stem seals.\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 gasket kit fit my Harley Twin Cam engine?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this Cometic EST gasket kit is specifically designed for Harley-Davidson Twin Cam engines, particularly those found in Touring 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 gaskets suitable for performance builds?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eCometic gaskets are engineered with advanced materials and construction methods, making them highly suitable for both stock and high-performance Twin Cam engine rebuilds, providing robust and reliable sealing.\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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic EST Complete Gasket Kit - Harley Twin Cam Touring\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-est-gasket-kit-oe-17053-99c-68-9172\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is included in this Cometic EST gasket kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is a complete overhaul solution, containing every gasket, seal, washer, and O-ring needed for a full engine rebuild, including MLS head gaskets, Viton-coated base gaskets, and valve stem seals.\"}},{\"@type\":\"Question\",\"name\":\"Will this gasket kit fit my Harley Twin Cam engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this Cometic EST gasket kit is specifically designed for Harley-Davidson Twin Cam engines, particularly those found in Touring models.\"}},{\"@type\":\"Question\",\"name\":\"Are these gaskets suitable for performance builds?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cometic gaskets are engineered with advanced materials and construction methods, making them highly suitable for both stock and high-performance Twin Cam engine rebuilds, providing robust and reliable sealing.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035124818031,"sku":"68-9172","price":285.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_49d78e7a-b0eb-4c2b-bbcc-677393851d58.png?v=1779560684"},{"product_id":"cometic-evo-big-twin-twin-cam-primary-housing-gasket-and-seal-big-twin-kit-68-9173","title":"Cometic Primary Housing Gasket \u0026 Seal Kit - Harley Evo Big Twin \u0026 Twin Cam","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 Cometic\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eCometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThis Cometic primary housing gasket and seal kit is engineered for Evolution and Twin Cam big twin engines, providing a critical seal for your primary cover. Designed to withstand engine heat and pressure, this kit ensures your primary drive remains leak-free. It's an essential component for any primary service or 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;\"\u003eOEM-specification primary gasket design\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits Evolution and Twin Cam big twin engines\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes primary housing gasket and seals\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrevents oil leaks from the primary cover\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eEssential for primary drive maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA leaking primary can be a messy problem, but with this Cometic primary housing gasket and seal kit, you can ensure a tight, reliable seal. Specifically designed for Evolution and Twin Cam big twin engines, these OEM-specification components are built to perform under the demanding conditions of your Harley. Whether you're replacing a worn gasket during routine maintenance or buttoning up a new clutch installation, this kit provides the confidence of a dry primary.\u003c\/p\u003e\u003ch3\u003eSecure Your Primary Drive\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM-specification gasket design for a precise fit and reliable seal\u003c\/li\u003e\n\u003cli\u003eSpecifically fits Evolution and Twin Cam big twin engines\u003c\/li\u003e\n\u003cli\u003eIncludes both the primary housing gasket and seals for a complete job\u003c\/li\u003e\n\u003cli\u003eEngineered to prevent oil leaks from the primary cover under heat and pressure\u003c\/li\u003e\n\u003cli\u003eEnsures proper containment of primary fluid for optimal clutch and chain performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Primary Service\u003c\/h3\u003e\u003cp\u003eAnytime you're opening up the primary on your Evo or Twin Cam, replacing the gasket and seals is good practice. This Cometic kit makes it easy, providing all the necessary components in one package. A properly sealed primary protects your internal components and keeps your bike looking clean. Trust Cometic for the quality parts you need to maintain your 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 Cometic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C9173\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191070004705\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.05 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 Harley-Davidson engines does this primary gasket kit fit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis Cometic primary housing gasket and seal kit is designed for Evolution (Evo) and Twin Cam big twin engines. It does not fit Sportster 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;\"\u003eWhat components are included in this kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThe kit includes the primary housing gasket and necessary seals required for a complete primary cover installation, ensuring a leak-free seal.\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 additional gasket sealant with this kit?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eCometic gaskets are engineered for direct installation. Always follow Harley-Davidson's or your engine manufacturer's specific torque and assembly specifications. Additional sealant is typically not required unless explicitly specified in 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\":\"Gaskets\/Seals\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cometic\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/cometic\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Cometic Primary Housing Gasket \u0026 Seal Kit - Harley Evo Big Twin \u0026 Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/cometic-evo-big-twin-twin-cam-primary-housing-gasket-and-seal-big-twin-kit-68-9173\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What Harley-Davidson engines does this primary gasket kit fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This Cometic primary housing gasket and seal kit is designed for Evolution (Evo) and Twin Cam big twin engines. It does not fit Sportster models.\"}},{\"@type\":\"Question\",\"name\":\"What components are included in this kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The kit includes the primary housing gasket and necessary seals required for a complete primary cover installation, ensuring a leak-free seal.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to use additional gasket sealant with this kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cometic gaskets are engineered for direct installation. Always follow Harley-Davidson's or your engine manufacturer's specific torque and assembly specifications. Additional sealant is typically not required unless explicitly specified in your service manual.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035124883567,"sku":"68-9173","price":120.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_b81584cd-c2b6-411f-9e9b-e3a1ab8ecda5.png?v=1779560690"}],"url":"https:\/\/vtwinbikers.com\/collections\/cometic.oembed?page=3","provider":"Vtwinbikers","version":"1.0","type":"link"}