Cometic C8291 Copper Base Gasket 3.210" Bore 0.010" Thick 750-950cc

The Cometic C8291 is a high-performance copper base gasket designed for 750-950cc motorcycle engines with a 3.210" bore diameter. This precision-engineered gasket features a 0.010" thickness, making it ideal for builders who need to adjust cylinder deck height for precise piston-to-head squish area.

Key Features:

• Constructed from premium copper material for superior heat dissipation and conformability
• 3.210" bore diameter designed for 750-950cc engine displacements
• 0.010" thickness allows for precise compression ratio tuning
• Excellent sealing properties under extreme pressure and temperature conditions
• Designed using performance-grade materials that withstand the demands of high-performance engines

Cometic base gaskets are engineered to provide a reliable seal in demanding powersport applications. The copper construction offers exceptional conformability to sealing surfaces while maintaining structural integrity under high cylinder pressures. This gasket simplifies engine setup when building or rebuilding performance engines, allowing precise control over deck height and compression ratios.