{"product_id":"cometic-evo-big-twin-est-gasket-kit-and-seal-big-twin-kit-68-9889","title":"Cometic Evo Big Twin EST Gasket Kit - \u0026 Seal BIG Twin KIT — Harley-Davidson Electra Glide Classic, Tour Glide Classic, Super Glide (1980-1993)","description":"\u003cp\u003eCometic Evo Big Twin EST gasket kit supplies every gasket, seal, washer, and o-ring needed for a complete engine overhaul on Harley-Davidson Evo Big Twin models. Features MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and AFM material for reliable sealing under high performance.\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 gasket kit — all 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 C9889\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 22.9 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 1.8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.05 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Evo Big Twin models.\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\u003eEvery gasket, seal, washer, and o-ring required for a complete engine overhaul — head gaskets, base gaskets, valve stem seals, and more.\u003c\/p\u003e\n\u003ch3\u003eWill this fit my Twin Cam or Milwaukee-Eight engine?\u003c\/h3\u003e\n\u003cp\u003eNo — this kit is specific to Evo Big Twin engines. Twin Cam and M8 engines require different gasket kits.\u003c\/p\u003e\n\u003ch3\u003eDo I need any additional seals or gaskets beyond this kit?\u003c\/h3\u003e\n\u003cp\u003eNo. The Cometic EST kit is designed as a complete solution with every component needed for an overhaul.\u003c\/p\u003e\n\u003ch3\u003eWhat are MLS head gaskets?\u003c\/h3\u003e\n\u003cp\u003eMulti-layer steel gaskets that provide superior sealing and durability compared to single-layer gaskets, especially under high boost or performance engines.\u003c\/p\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035161387119,"sku":"68-9889","price":98.26,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_c1cd1f57-5c8b-4a5b-bee8-3d818795a8e3.png?v=1779560826","url":"https:\/\/vtwinbikers.com\/products\/cometic-evo-big-twin-est-gasket-kit-and-seal-big-twin-kit-68-9889","provider":"Vtwinbikers","version":"1.0","type":"link"}