Cometic C8154 Copper Head Gasket Bore Thickness - 72mm 0.043

The Cometic C8154 is a premium copper head gasket engineered for high-performance applications in air-cooled big bore motorcycle engines. This gasket features a 72mm bore diameter, 1075cc displacement compatibility, and 0.043" thickness, making it ideal for extreme operating conditions where durability and reliable sealing are critical.

Key Features:

• Solid copper construction for superior heat transfer and conformability
• 72mm bore diameter designed for big bore applications
• 0.043" (1.09mm) compressed thickness for precise compression control
• Specifically designed for 1075cc displacement engines
• Reusable design for repeated installations in racing and performance builds
• Excellent sealing performance in air-cooled, high-compression applications

Installation Notes:

Cometic copper head gaskets require cylinder O-ringing and the use of Gasgacinch or similar gasket sealer for optimal sealing results. These gaskets are engineered for extreme performance applications and work best when proper surface preparation and installation techniques are followed.

Cometic Gasket is a leading manufacturer of high-performance gaskets for powersports, automotive, and racing applications, trusted by professional engine builders and enthusiasts worldwide for their quality and reliability under extreme pressure and temperature conditions.