{"product_id":"hamilton-cams-1989-1998-dodge-ram-2500-3500-5-9l-cummins-12v-fire-ring-head-gasket-080in","title":"Hamilton Cams 1989-1998 Dodge\/Ram 2500\/3500 5.9L Cummins 12V Fire Ring Head Gasket .080in","description":"\u003ch3\u003e\u003cstrong\u003e’89–’98 Fire Ring Gasket – .080″ Thick, 4.560″ Wire O.D.\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eUpgrade your \u003cstrong\u003e12V Cummins (1989–1998)\u003c\/strong\u003e with our \u003cstrong\u003eFire Ring Gasket\u003c\/strong\u003e, engineered for reliable sealing under high boost and extreme horsepower. At \u003cstrong\u003e.080″ thickness (1.8 mm)\u003c\/strong\u003e and \u003cstrong\u003e4.560″ wire O.D.\u003c\/strong\u003e, this gasket is built to handle the stress of performance applications.\u003c\/p\u003e\u003ch3\u003eGasket \u0026amp; Groove Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: .080″ (1.8 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 depth\u003c\/strong\u003e: \u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e.016″–.017″\u003c\/strong\u003e depth in cylinder head with a .120″ radius cutter\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRecommended Installation Steps\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSurface Preparation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachine Block \u0026amp; Head\u003c\/strong\u003e: Achieve maximum flatness for a proper seal—especially important if pushing horsepower beyond 800 HP.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrooves\u003c\/strong\u003e: \u003cul\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\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRadiused Cutter\u003c\/strong\u003e: Always recommended for precise groove formation and the best gasket-to-wire contact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStuds Are Essential\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse Quality Studs\u003c\/strong\u003e: Ensure proper clamp load, vital for high-performance diesel applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenerous Lubrication\u003c\/strong\u003e: Coat nuts, washers, and threads thoroughly to guarantee even torque across all studs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Torque Limits\u003c\/strong\u003e: Never exceed them—fasteners at full torque store significant potential energy.\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 before first 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 compresses the gasket further, reducing valve lash—readjust as needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eWhy Choose Our Fire Ring Gasket?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Horsepower Ready\u003c\/strong\u003e: Built to withstand demanding performance applications beyond 800 HP.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering\u003c\/strong\u003e: .080″ thickness, radiused grooves, and .105″ wire for optimal sealing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Reliability\u003c\/strong\u003e: Reduce the risk of head gasket failure with proper studs and consistent clamp load.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hamilton Cams","offers":[{"title":"Default Title","offer_id":44961050787882,"sku":"HC07-G-12V-F20","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/8305\/files\/12V-head-gasket-scaled_78afcf50-8270-491b-8bf1-32d7d805f84c.jpg?v=1792094643","url":"https:\/\/fassmotorsports.com\/products\/hamilton-cams-1989-1998-dodge-ram-2500-3500-5-9l-cummins-12v-fire-ring-head-gasket-080in","provider":"FASS Motorsports","version":"1.0","type":"link"}