{"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":"These 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 .3125 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.\n\n\n\nFits all 1965-2000 Chevy Big Blocks: 366,396,402,427,454 including GM (General Motors) Gen VI Crate Engines like the 502 and 572.\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUltra Seal Cork and Rubber Blend\u003c\/li\u003e\n\u003cli\u003eExtra Thick 5\/16 (0.3125) In creates positive seal and provides additional clearance if needed\u003c\/li\u003e\n\u003cli\u003eAlso Available In Standard Thickness\u003c\/li\u003e\n\u003cli\u003eFor OE Replacement And High Performance Apps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details:\u003c\/strong\u003e Fits 1965-2000 Chevrolet 396-572 Mark IV\/V\/VI Big Block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Big Block Chevy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Brown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Two-Piece\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Chevrolet Big Block Gen V\/VI, Chevrolet Big Block Mark IV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Rubber coated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket Sealant Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade Type:\u003c\/strong\u003e Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold Down Tabs Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Ultra Seal Cork \u0026amp; Rubber Blend\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Hole Quantity:\u003c\/strong\u003e 7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Fill Plug Grommet Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Retail - Skin Pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Engine Valve Cover Gasket Set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCV Valve Grommet Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Valve Cover Accessories\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.3125 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Cover Gasket Material:\u003c\/strong\u003e Ultra Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Cover Gasket Thickness:\u003c\/strong\u003e .187 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.5\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mr. Gasket","offers":[{"title":"Default Title","offer_id":49723198144750,"sku":"MRG-5863","price":51.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/9110\/6798\/files\/cd605b7710d294142be753e401c1f373dac3ccd1.jpg?v=1791650134","url":"https:\/\/elmosspeedshop.com\/products\/mr-gasket-ultra-seal-valve-cover-gaskets-312-inch-thick-5863","provider":"Elmo's Speed Shop","version":"1.0","type":"link"}