{"product_id":"mr-gasket-ultra-seal-valve-cover-gaskets-312-inch-thick-5863","title":"Mr Gasket Ultra-Seal Valve Cover Gaskets - .312 Inch Thick - 5863","description":"Fits 1965-2000 Chevrolet 396-572 Mark IV\/V\/VI Big Block\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 5863\u003cbr\u003e\u003cbr\u003eThese are high quality gaskets that works well on those hard to seal applications. The low density fiber \u0026amp; rubber blend gasket material seals those minor head imperfections with a low clamp force. At .312 inch, the extra thickness can also offer slightly more clearance for roller rockers. Ideal for all those high performance applications where you take the valve covers off and on a lot, and sticking is a problem.\u003cbr\u003e\u003cbr\u003eFits all 1965-2000 Chevy Big Blocks: 366,396,402,427,454 including GM (General Motors) Gen VI Crate Engines like the 502 and 572.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures and Benefits\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e• These Are A Cork Rubber Blend\u003cbr\u003e• Extra Thick 5\/16 In Creates Positive Seal\u003cbr\u003e• Also Available In Standard Thickness\u003cbr\u003e• For OE Replacement And High Performance Apps\u003cbr\u003e\u003cbr\u003e\u003cem\u003e\u003c\/em\u003e","brand":"Mr Gasket","offers":[{"title":"Default Title","offer_id":48275597951203,"sku":"5863","price":114.7,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/0821\/9875\/files\/7b628d099002c6110bd892a74adf03e2.jpg?v=1771062867","url":"https:\/\/fastlanespares.co.nz\/products\/mr-gasket-ultra-seal-valve-cover-gaskets-312-inch-thick-5863","provider":"Fast Lane Spares","version":"1.0","type":"link"}