{"product_id":"12-valve-020-over-fire-ring-gasket","title":"2007.5-2018 6.7 Cummins Fire Ring Head Gasket Standard 07-g-6.7","description":"\u003ch4\u003e6.7L Fire Ring Head Gasket — Standard\u003c\/h4\u003e\u003cp\u003eStandard-thickness fire ring gasket for the 6.7L Cummins. Recommended once a build passes roughly 700 hp, where factory head gaskets start lifting under cylinder pressure.\u003c\/p\u003e\u003ch4\u003eGasket Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eThickness: \u003cstrong\u003e.046\"\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eWire: .105\", \u003cstrong\u003e4.560\" O.D.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eGroove radius: .019\" in block and head, or .038\"–.039\" if cutting one groove only\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eInstallation Requirements\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead studs are mandatory\u003c\/strong\u003e for proper clamp load\u003c\/li\u003e\n\u003cli\u003eHead must be flat within .003\" end to end\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnder 800 hp:\u003c\/strong\u003e a groove in either head or block is adequate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver 800 hp:\u003c\/strong\u003e cut grooves in both\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eNeed More Thickness?\u003c\/h4\u003e\u003cp\u003eHead or block already milled .020\"? Use the \u003cstrong\u003e.020-over\u003c\/strong\u003e version at .066\" instead.\u003c\/p\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cp\u003e2007.5–2018 Dodge and Ram 6.7L Cummins 24-valve engines.\u003c\/p\u003e","brand":"Hamilton Cams","offers":[{"title":"Default Title","offer_id":48949652488469,"sku":"07-g-6.7","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0845\/6844\/1109\/files\/3fa223a0a5c84faaad10291f72d82fc5.webp?v=1747425646","url":"https:\/\/shop.davesusa.com\/products\/12-valve-020-over-fire-ring-gasket","provider":"Dave's Auto Center","version":"1.0","type":"link"}