{"product_id":"mcs500344","title":"James Gaskets Gasket Set, Cylinder Base. 3-5\/8\" Bore. .020\" Rcm – 1963–1984 Big Twin with 3-5\/8\" Big Bore…","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003e3-5\/8\" big bore. .022\" RCM (Rubber Coated Metal). Final crush .020\". RCM (Rubber Coated Metal) 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\n\u003cp\u003e63-84 Big Twin (Excl. Evo) with 3-5\/8\" big bore cylinders (NU)\u003c\/p\u003e\n\u003ch2\u003eProduct Details\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\u003eCategory:\u003c\/strong\u003e GASKETS \u0026gt; GASKET SETS CYLINDER BASE\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 500344\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Numbers\u003c\/h2\u003e\n\u003cp\u003eMCS Part Number: 500344\u003cbr\u003eManufacturer Part Number: 16777-66-SX\u003c\/p\u003e","brand":"James Gasket","offers":[{"title":"Default Title","offer_id":57376804274563,"sku":"MCS500344","price":42.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/500344k_aaee4505-64e9-4a44-8619-f1acdfc4bfd1.jpg?v=1775555423","url":"https:\/\/hogparts.co.uk\/products\/mcs500344","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}