{"product_id":"hamilton-cams-2007-5-2018-dodge-ram-2500-3500-6-7l-cummins-fire-ring-head-gasket-020in-066in","title":"Hamilton Cams 2007.5-2018 Dodge\/Ram 2500\/3500 6.7L Cummins Fire Ring Head Gasket +.020in (.066in)","description":"\u003ch2\u003e\u003cstrong\u003e6.7L Fire Ring Gasket – .066″ Thickness, 4.560″ Diameter Wire\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eLooking for a reliable head gasket solution for your 6.7L Cummins under high-performance conditions? Our \u003cstrong\u003e6.7L Fire Ring Gasket\u003c\/strong\u003e is designed to handle extreme cylinder pressures, providing a superior seal that protects against leaks and failure—especially important as horsepower climbs beyond 800 HP.\u003c\/p\u003e\u003ch3\u003eGasket Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: .066″ (1.75 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire O.D.\u003c\/strong\u003e: 4.560″ (using .105″ wire)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove Radius\u003c\/strong\u003e: .017″–.018″ if cutting grooves in the head or block\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation \u0026amp; Preparation\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStuds Required\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eMust use \u003cstrong\u003ehigh-strength studs\u003c\/strong\u003e to achieve proper clamp load, particularly with our competition gasket.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSurface Flatness\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the head is within \u003cstrong\u003e.003″ end-to-end\u003c\/strong\u003e for optimal sealing.\u003c\/li\u003e\n\u003cli\u003eBest practice: Machine both the head and block for perfect flatness.\u003c\/li\u003e\n\u003cli\u003eif you do not surface the block, be sure to use an axe sharpening stone with 320 or finer to clean up the deck surface.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGroove Cutting\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngines \u0026lt;800 HP\u003c\/strong\u003e: cut grooves in the head\u003c\/li\u003e\n\u003cli\u003eBe sure to use 625 studs\u003c\/li\u003e\n\u003cli\u003eAlways use a .120″ \u003cstrong\u003eradiused cutter\u003c\/strong\u003e for precise groove formation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTorque Procedure\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial Torque\u003c\/strong\u003e: 130 ft-lbs at startup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot Retorque\u003c\/strong\u003e: After reaching operating temperature, retorque while the engine is still warm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Valve Lash\u003c\/strong\u003e: Each retorque further compresses the gasket, reducing valve lash—re-adjust as needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal Check\u003c\/strong\u003e: Retorque at least once more before applying full load or RPM.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProper Lubrication\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eApply a \u003cstrong\u003eliberal amount of lube\u003c\/strong\u003e to the nut, washer, and threads so that all studs see a consistent clamp load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNever exceed manufacturer torque limits\u003c\/strong\u003e—fasteners at full torque store significant potential energy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eWhy Choose Our 6.7L Fire Ring Gasket?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Seal\u003c\/strong\u003e under high boost and extreme pressures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Risk of Failure\u003c\/strong\u003e thanks to consistent clamp load and radiused grooves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect for High-Power Builds\u003c\/strong\u003e, particularly those pushing beyond 800 HP.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven Durability\u003c\/strong\u003e in severe-duty performance applications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hamilton Cams","offers":[{"title":"Default Title","offer_id":44961050722346,"sku":"HC07-G-6.7F20","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/8305\/files\/ChatGPT-Image-Aug-12-2026-10_34_16-AM.png?v=1792094639","url":"https:\/\/fassmotorsports.com\/products\/hamilton-cams-2007-5-2018-dodge-ram-2500-3500-6-7l-cummins-fire-ring-head-gasket-020in-066in","provider":"FASS Motorsports","version":"1.0","type":"link"}