{"product_id":"james-gaskets-big-twin-primary-housing-gasket-oring-derby-cover-softail-dyna-681-4621","title":"James Gaskets Big Twin Primary Housing Gasket - Oring Derby Cover Softail Dyna… — Harley-Davidson (1984-1992)","description":"\u003cp\u003eJames Gaskets big twin primary housing gasket with O-ring derby cover seal for Harley-Davidson Softail and Dyna models. Made in the U.S.A. using state-of-the-art materials and production methods for reliable engine sealing.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMade in the U.S.A.\u003c\/li\u003e\n  \u003cli\u003eState-of-the-art gasket materials and production\u003c\/li\u003e\n  \u003cli\u003eO-ring derby cover design\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for primary housing\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 James Gaskets\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 25416-84\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6.85 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7.8 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 0.152 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Softail and Dyna big twin models with primary housings using O-ring derby covers.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my Sportster?\u003c\/h3\u003e\n\u003cp\u003eNo — this gasket is for big twin primary housings only. Sportster models use a different part number.\u003c\/p\u003e\n\u003ch3\u003eIs this a direct replacement for the OEM gasket?\u003c\/h3\u003e\n\u003cp\u003eYes. This James Gaskets part replaces the factory primary housing gasket without modification.\u003c\/p\u003e\n\u003ch3\u003eWhat's included in the box?\u003c\/h3\u003e\n\u003cp\u003eOne primary housing gasket with O-ring derby cover seal. Installation hardware is not included.\u003c\/p\u003e\n\u003ch3\u003eDo I need to use any special sealant with this gasket?\u003c\/h3\u003e\n\u003cp\u003eCheck your service manual — some installations benefit from a thin layer of gasket maker, while others rely on the gasket alone.\u003c\/p\u003e","brand":"James Gaskets","offers":[{"title":"Default Title","offer_id":53035210637423,"sku":"681-4621","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_bf6d983b-3244-42bd-81cf-9c97d9762f28.png?v=1779561506","url":"https:\/\/vtwinbikers.com\/products\/james-gaskets-big-twin-primary-housing-gasket-oring-derby-cover-softail-dyna-681-4621","provider":"Vtwinbikers","version":"1.0","type":"link"}