{"product_id":"cometic-twin-cam-inspection-derby-cover-gasket-big-twin-5-pk-oe-25416-99c-68-9997f5","title":"Cometic Twin Cam Inspection\/Derby Cover Gasket - BIG Twin 5\/PK Oe#25416-99c — Harley-Davidson (1999-2017)","description":"\u003cp\u003eCometic Twin Cam inspection and derby cover gasket, sold in a 5-pack for Harley-Davidson Big Twin engines. OEM-replacement part engineered to seal the inspection cover without leaks or degradation over time.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e5-pack quantity\u003c\/li\u003e\n  \u003cli\u003eDirect OEM replacement gasket\u003c\/li\u003e\n  \u003cli\u003eFor Harley Big Twin 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 C9997F5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191070005177\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 8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 8.55 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.45 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.18 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Big Twin models with Twin Cam engines. Original equipment part number 25416-99C.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat size inspection cover does this fit?\u003c\/h3\u003e\n\u003cp\u003eThis gasket fits the Twin Cam inspection\/derby cover on Harley Big Twin models. Verify your cover diameter before ordering if your bike has been modified.\u003c\/p\u003e\n\u003ch3\u003eWhy buy a 5-pack?\u003c\/h3\u003e\n\u003cp\u003e5-pack is ideal for shops, multi-bike owners, or riders who want spares. Single gaskets wear out over time and should be replaced at every cover removal.\u003c\/p\u003e\n\u003ch3\u003eIs this the same as the OEM Harley gasket?\u003c\/h3\u003e\n\u003cp\u003eCometic manufactures this gasket to OEM specifications and materials as a direct replacement for Harley part 25416-99C.\u003c\/p\u003e\n\u003ch3\u003eDo I need any sealant with this gasket?\u003c\/h3\u003e\n\u003cp\u003eNo sealant required — this gasket seals dry when torqued to spec. Check your service manual for correct bolt torque.\u003c\/p\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53035165188207,"sku":"68-9997F5","price":35.46,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_6cee22c3-8823-4449-8cb5-23f44d206e1c.png?v=1779560816","url":"https:\/\/vtwinbikers.com\/products\/cometic-twin-cam-inspection-derby-cover-gasket-big-twin-5-pk-oe-25416-99c-68-9997f5","provider":"Vtwinbikers","version":"1.0","type":"link"}