{"product_id":"cometic-evo-big-twin-twin-cam-valve-stem-seal-oil-seals-twin-cam-10-pk-oe-180-68-9166","title":"Cometic Evo Big Twin\/Twin Cam Valve Stem Seal - OIL Seals Twin CAM 10\/PK Oe#180… — Harley-Davidson (1999-2017)","description":"\u003cp\u003eCometic valve stem seal for Evo Big Twin and Twin Cam V-twin engines, sold in a 10-pack. Direct replacement for stock seals to prevent oil seepage at the valve stem.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e10-pack quantity\u003c\/li\u003e\n  \u003cli\u003eOEM replacement specification\u003c\/li\u003e\n  \u003cli\u003eFor Evo Big Twin and Twin Cam engines\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 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\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Evo Big Twin and Twin Cam V-twin engines. Verify your engine type before ordering.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow many seals are in a pack?\u003c\/h3\u003e\n\u003cp\u003e10 valve stem seals per pack — enough for one engine rebuild with spares or multiple service intervals.\u003c\/p\u003e\n\u003ch3\u003eWill these fit my Evo engine?\u003c\/h3\u003e\n\u003cp\u003eYes — this part fits Harley Evo Big Twin engines. Twin Cam engines also use this seal.\u003c\/p\u003e\n\u003ch3\u003eWhy would I need new valve stem seals?\u003c\/h3\u003e\n\u003cp\u003eSeals harden and crack over time, causing oil to seep down the valve guides into the combustion chamber. New seals stop this leak during a rebuild or top-end service.\u003c\/p\u003e\n\u003ch3\u003eIs installation difficult?\u003c\/h3\u003e\n\u003cp\u003eValve stem seal replacement requires cylinder head removal and valve train disassembly. Most riders have a shop perform this work.\u003c\/p\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","url":"https:\/\/vtwinbikers.com\/products\/cometic-evo-big-twin-twin-cam-valve-stem-seal-oil-seals-twin-cam-10-pk-oe-180-68-9166","provider":"Vtwinbikers","version":"1.0","type":"link"}