{"product_id":"mcs568801","title":"James, Evo Cyl. Head \u0026 Base Gasket Kit. .045\" Firering\/RCM for Harley-Davidson 1984-1999 Evo Big Twin; 1986-2022 Evo XL Sportster (Excl. XR1200). with 3 5\/8\" Big Bore Cylinders - 16773-85-XS","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003e3-5\/8\" big bore. Kit to service one engine. With .045\" firering head (.042\" final crush) \u0026amp; .020\" RCM (Rubber Coated Metal) base gaskets. The use of o-rings is not required due to head gasket design. James'' RCM gaskets consists of a .020\" thick stainless spring steel base covered with a .001\" thick heat resistant Viton rubber on both sides. A very strong gasket which requires no re-torquing. Gaskets will not become brittle or burn out.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e84-99 Evo Big Twin\u003c\/li\u003e\n\u003cli\u003e86-22 Evo XL Sportster (Excl. XR1200). With 3 5\/8\" big bore cylinders (NU)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e James Gaskets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Gaskets \u0026gt; Gaskets cylinder head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e SET\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 568801\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePart Numbers\u003c\/h2\u003e\u003cp\u003eMCS Part Number: 568801\u003cbr\u003eManufacturer Part Number: 16773-85-XS\u003c\/p\u003e","brand":"James Gasket","offers":[{"title":"Default Title","offer_id":57369663766915,"sku":"MCS568801","price":95.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/568801k_8223b4ad-34d6-4a54-b874-e1d0ddd46859.jpg?v=1775137690","url":"https:\/\/hogparts.co.uk\/products\/mcs568801","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}