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2019–2024 Cummins 6.7L Fire Ring Head Gasket – .066" Thickness, 4.560" Wire Diameter
When factory head gaskets reach their limit, Hamilton Cams Fire Ring Head Gaskets are engineered to provide the sealing strength needed for high-horsepower, high-boost 2019–2024 6.7L Cummins engines.
Benefits
- Designed specifically for 2019–2024 6.7L Cummins engines
- Superior combustion sealing under extreme boost and cylinder pressure
- Proven solution for engines producing 800+ horsepower
- Precision fire ring design for maximum sealing reliability
Gasket Specifications
Thickness: .066" (1.75 mm)
Fire Ring Outside Diameter: 4.560"
Wire Size: .105"
Recommended Groove Radius: .017"–.018"
Groove Cutter Radius: .120"
Installation Requirements
Cylinder Head Studs — high-strength studs required. ARP 625+ head studs recommended for high-cylinder-pressure applications.
Surface Preparation — cylinder head should be flat within .003" end-to-end; machine both head and block for best results.
Torque Procedure
1. Torque head studs to 130 ft-lbs during assembly.
2. Bring engine to operating temperature, perform a complete hot retorque while still warm.
3. Verify and adjust valve lash after retorque.
4. Perform at least one additional retorque before full boost/heavy load/max RPM.
Recommended for: high-performance street trucks, competition/race engines, high-boost turbo combinations, heavy towing with elevated cylinder pressure, builds producing 800+ horsepower.
