Cometic C8388 MLS Head Gasket 78mm Bore 0.030" Yamaha FZR YZF1000

The Cometic C8388 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket designed for Yamaha FZR 1000 (1989-1995) and YZF1000 (1997) motorcycles. This precision-engineered gasket features a 78mm bore size for 1070cc applications with a compressed thickness of 0.030 inches.

Advanced MLS Construction:

• Multi-layer stainless steel design provides maximum sealing performance for high-output engines
• Outer layers embossed and coated with Viton rubber (.001" thick) bonded to stainless steel
• Viton coating is heat resistant to 250°C (482°F) for extreme temperature applications
• Multiple steel layers create superior rebound characteristics and corrosion resistance
• Ideal for both aluminum-to-aluminum and aluminum-to-cast iron block configurations

Installation Features:

• Install dry - no gasket sealants required due to factory Viton coating
• No re-torquing necessary after installation
• Withstands shearing forces between dissimilar materials
• Requires no additional sealers for optimal performance

Cometic gaskets are proudly manufactured in the USA using American-sourced materials, meeting the demanding requirements of professional motorsports including NASCAR. This gasket provides reliable sealing under the most extreme powersports conditions.