Cummins 89-98 12 Valve Fire Ring gasket Standard 12 Valve Fire Ring gasket

Upgrade your 12V Cummins (1989–1998) with this Fire Ring Gasket , specially engineered to handle high boost pressures and extreme horsepower. With a .070″ thickness (1.5 mm) and .105″ wire at 4.560″ O.D. , you’ll gain a robust seal that stands up to the stresses of heavy-duty and performance applications.

Specifications

• Thickness : .070″ (1.5 mm)
• Wire O.D. : 4.560″ (.105″ wire)
• .025″–.026″ depth with a .120″ radius cutter
• Under 800 HP: Cutting grooves in just the head
• Initial : Torque to 130 ft-lb before the first startup.
• Hot Retorque : After reaching operating temp, retorque while the engine is warm.
• Check Valve Lash : Gasket compression changes valve lash; readjust as needed.
• Reliable High-Performance Sealing : Tested to handle extreme pressures for racing, towing, or heavy-duty use.
• Proven Durability : .070″ thickness ensures a tough, stable seal in boosted applications.
• Ease of Installation : Straightforward torque procedure with standard machining practices.
• Trusted Expertise : Backed by Hamilton’s long-standing commitment to diesel innovation.

Fitment

• Cummins 89-98 12V