Cometic C8203 Copper Head Gasket Thick Bore - 005 1186-1255cc

The Cometic C8203 is a high-performance copper head gasket designed for Harley-Davidson Evolution Sportster engines with bore sizes ranging from 1186cc to 1255cc (approximately 72-77 cubic inches). This premium gasket features solid copper construction with a .005 inch thickness, making it ideal for performance builds and high-compression applications.

Key Features:

• Solid copper construction for superior heat transfer and conformability
• .005 inch gasket thickness for precise compression ratio tuning
• Compatible with bore sizes from 1186cc to 1255cc
• Excellent for high-performance and racing applications
• Superior sealing under extreme cylinder pressures and temperatures
• Reusable when properly maintained and annealed

Cometic copper head gaskets are manufactured in the USA and provide exceptional sealing capabilities for modified engines. The copper material conforms to minor surface imperfections and maintains a reliable seal even under the demanding conditions of performance riding. This gasket is specifically engineered for big bore kits and high-output engine builds where precision and reliability are critical.