Cometic C8454 Fiber Cylinder Base Gasket .020" 750/900cc Honda CB750 CB900F

The Cometic C8454 is a high-performance fiber cylinder base gasket engineered for Honda CB750 4-valve DOHC (1979-1982) and CB900F (1981-1982) motorcycles. This precision-manufactured gasket features a .020-inch thickness designed to provide a reliable seal between the cylinder and crankcase under extreme operating conditions.

Key Features:

• Constructed from high-density layered fiber material for superior fluid resistance and sealability
• .020-inch (0.020") compressed thickness allows for precise deck height adjustment
• Engineered specifically for 750cc and 900cc Honda inline-four applications
• Provides excellent sealing even on slightly irregular surfaces
• Maintains integrity under high temperatures and combustion pressures
• Manufactured in the USA using quality materials tested on both street and track

Cometic gaskets are trusted by professionals worldwide for their ability to seal under extreme pressure in high-performance applications. Each gasket is precisely die-cut to OEM specifications while utilizing advanced materials that often exceed original equipment standards. Whether you're performing routine maintenance or building a performance engine, the C8454 delivers the reliability demanded by serious riders and mechanics.