{"product_id":"hamilton-cams-020-over-fire-ring-head-gasket-07-18-6-7l-cummins","title":"Hamilton Cams .020 Over Fire Ring Head Gasket 07-18 6.7L Cummins","description":"\u003cp\u003eThe .020-over version of Hamilton's 6.7L fire ring head gasket. The added thickness over the standard gasket is the usual route to recovering piston-to-valve clearance when a performance camshaft will not quite drop in, while retaining fire ring sealing for high cylinder pressure.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.020 inch oversize thickness\u003c\/li\u003e\n\u003cli\u003eFire ring construction for combustion sealing under high boost\u003c\/li\u003e\n\u003cli\u003eCommonly used to regain piston-to-valve clearance during a camshaft install\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cul\u003e\u003cli\u003e2007.5-2018 Dodge and Ram 6.7L Cummins 24-valve\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eMachining and Installation\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-strength studs are required to achieve proper clamp load\u003c\/li\u003e\n\u003cli\u003eCylinder head must be within .003 inch end to end; machining both head and block is best practice\u003c\/li\u003e\n\u003cli\u003eIf the block is not surfaced, clean the deck with a 320 grit or finer stone\u003c\/li\u003e\n\u003cli\u003eAlways use a .120 inch radiused cutter for groove formation\u003c\/li\u003e\n\u003cli\u003eTorque to 130 ft-lbs at startup, hot retorque at operating temperature, then retorque again before applying full load or RPM\u003c\/li\u003e\n\u003cli\u003eEach retorque reduces valve lash, so readjust as needed\u003c\/li\u003e\n\u003cli\u003eNever exceed the fastener manufacturer's torque limits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBrand: Hamilton Cams\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 07-g-6.7f20\u003c\/li\u003e\n\u003cli\u003eUPC: 857340008899\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hamilton Cams","offers":[{"title":"Default Title","offer_id":47609120391341,"sku":"07-g-6.7f20","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5200\/0173\/files\/6.7f-2048x811_356a78b5-fa04-4b1e-91ec-17482d01f11d.jpg?v=1789536917","url":"https:\/\/www.dfispdx.com\/products\/hamilton-cams-020-over-fire-ring-head-gasket-07-18-6-7l-cummins","provider":"Diesel Fuel Injection Service","version":"1.0","type":"link"}