Hamilton Cams 07-G-6.719FR Fire Ring Head Gasket for 2019+ 6.7L Cummins

The Hamilton Cams 07-G-6.719FR Fire Ring Head Gasket is purpose-built for high-horsepower 2019+ 6.7L Cummins diesel engines. Designed to address the head gasket failures commonly associated with elevated boost levels, this fire ring gasket delivers a significantly more robust combustion seal than a standard OEM-style head gasket, making it the go-to choice for performance builds and heavy-duty applications.

Key Specifications:

• Wire O.D.: 4.560"
• Wire Diameter: .105"
• Gasket Thickness: .066" (1.75mm)
• Radius groove depth: .008" in block and head, or .016"–.017" if using one groove only

Key Features:

• Fire-ring design provides a far superior combustion seal over standard head gaskets
• Engineered specifically for the 2019+ 6.7L Cummins cylinder head configuration
• Ideal for high-performance and competition builds with elevated boost levels
• O-ring wire included
• Detailed installation specifications included

Important Installation Notes:

• Machining of fire-ring grooves in the head and/or block is required prior to installation
• Head must be verified flat within .003" end to end
• Head studs are required — do not use head bolts
• Recommended initial torque: 130 ft/lb; hot re-torque is mandatory
• Check valve lash after each torque sequence
• For engines over 800hp, cutting grooves in both the head and block is strongly recommended
• A radiused cutter is recommended for all groove machining

Hamilton Cams is a trusted name in diesel performance, and the 07-G-6.719FR fire ring head gasket reflects decades of hands-on engineering experience for demanding Cummins applications.