{"product_id":"1989-1998-cummins-fire-ring-gasket-07-g-12v-f20","title":"1989-1998 Cummins 5.9L Hamilton Cams Fire Ring Gasket .080\" (07-g-12v-f20)","description":"\u003cp\u003eUpgrade your 12V Cummins (1989–1998) with our Fire Ring Gasket, engineered for reliable sealing under high boost and extreme horsepower. At .080″ thickness (1.8 mm) and 4.560″ wire O.D., this gasket is built to handle the stress of performance applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGasket \u0026amp; Groove Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThickness: .080″ (1.8 mm)\u003c\/li\u003e\n\u003cli\u003eWire O.D.: 4.560″ (using .105″ wire)\u003c\/li\u003e\n\u003cli\u003eGroove depth: .016″–.017″   depth in cylinder head with a .120″ radius cutter\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Installation Steps\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1. Surface Preparation\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMachine Block \u0026amp; Head: Achieve maximum flatness for a proper seal—especially important if pushing horsepower beyond 800 HP.\u003c\/li\u003e\n\u003cli\u003eGrooves:\u003c\/li\u003e\n\u003cli\u003eEngines under 800 HP: Cut groove in just the cylinder head\u003c\/li\u003e\n\u003cli\u003eEngines over 800 HP: make sure you use a high tensile ARP 625 fastener\u003c\/li\u003e\n\u003cli\u003eRadiused Cutter: Always recommended for precise groove formation and the best gasket-to-wire contact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e2. Studs Are Essential\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse Quality Studs: Ensure proper clamp load, vital for high-performance diesel applications.\u003c\/li\u003e\n\u003cli\u003eGenerous Lubrication: Coat nuts, washers, and threads thoroughly to guarantee even torque across all studs.\u003c\/li\u003e\n\u003cli\u003eManufacturer Torque Limits: Never exceed them—fasteners at full torque store significant potential energy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e3. Torque Procedure\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInitial Torque: 130 ft-lbs before first startup.\u003c\/li\u003e\n\u003cli\u003eHot Retorque: After reaching operating temperature, retorque while the engine is still warm.\u003c\/li\u003e\n\u003cli\u003eCheck Valve Lash: Each retorque compresses the gasket further, reducing valve lash—readjust as needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Choose Our Fire Ring Gasket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Horsepower Ready: Built to withstand demanding performance applications beyond 800 HP.\u003c\/li\u003e\n\u003cli\u003ePrecision Engineering: .080″ thickness, radiused grooves, and .105″ wire for optimal sealing.\u003c\/li\u003e\n\u003cli\u003eEnhanced Reliability: Reduce the risk of head gasket failure with proper studs and consistent clamp load.\u003c\/li\u003e\n\u003cli\u003eBacked by Expertise: Trusted by diesel enthusiasts who demand durability and performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hamilton Cams","offers":[{"title":"Default Title","offer_id":50620290269470,"sku":"07-g-12v-f20","price":472.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7171\/1262\/files\/Product_Image_-_2025-02-05T133315.190.png?v=1771369489","url":"https:\/\/platinumhpsolutions.myshopify.com\/fr\/products\/1989-1998-cummins-fire-ring-gasket-07-g-12v-f20","provider":"Platinum High Performance Solutions, LLC.","version":"1.0","type":"link"}