{"product_id":"cometic-evo-big-twin-est-gasket-kit-bore-evo-big-twin-kit-68-9917","title":"Cometic Evo Big Twin EST Gasket Kit - Bore EVO BIG Twin KIT — Harley-Davidson (1984-1999)","description":"\u003cp\u003eCometic Evo Big Twin EST gasket kit contains all gaskets, seals, washers, and o-rings needed for a complete engine overhaul on Evo Big Twin engines. Includes MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and AFM material for durability and reliable sealing.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMLS head gaskets\u003c\/li\u003e\n  \u003cli\u003eSteel Viton-coated base gaskets\u003c\/li\u003e\n  \u003cli\u003eBlue Viton valve stem seals\u003c\/li\u003e\n  \u003cli\u003eAFM material components\u003c\/li\u003e\n  \u003cli\u003eComplete overhaul kit — all gaskets and seals included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\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 C9917\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.86 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Evo Big Twin engines.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat's included in this gasket kit?\u003c\/h3\u003e\n\u003cp\u003eAll gaskets, seals, washers, and o-rings needed for a complete engine overhaul — head gaskets, base gaskets, valve stem seals, and additional components.\u003c\/p\u003e\n\u003ch3\u003eWill this work on other V-Twin engines?\u003c\/h3\u003e\n\u003cp\u003eThis kit is designed for Harley-Davidson Evo Big Twin engines. Other V-Twin applications may require a different Cometic part number.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between MLS and standard gaskets?\u003c\/h3\u003e\n\u003cp\u003eMLS (multi-layer steel) head gaskets provide superior sealing and heat resistance compared to older single-layer designs, especially in high-performance applications.\u003c\/p\u003e\n\u003ch3\u003eDo I need any additional gaskets or seals?\u003c\/h3\u003e\n\u003cp\u003eNo — this complete kit includes every gasket, seal, washer, and o-ring needed for a full engine overhaul.\u003c\/p\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035162402927,"sku":"68-9917","price":140.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_d8995a81-c683-4acd-a32d-c9ff07709c48.png?v=1779560805","url":"https:\/\/vtwinbikers.com\/products\/cometic-evo-big-twin-est-gasket-kit-bore-evo-big-twin-kit-68-9917","provider":"Vtwinbikers","version":"1.0","type":"link"}