Cometic C5889-062 GM MLS Cylinder Head Gasket Bore - LS7 Gen-4 4.150 062

The Cometic C5889-062 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket designed specifically for GM LS7 Gen-4 small block V8 engines. This precision-engineered gasket features a .062" (0.062 inch) compressed thickness and is sized for a 4.150" bore diameter, making it ideal for aftermarket sleeve applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 4.150" bore diameter optimized for aftermarket sleeve configurations
• .062" compressed gasket thickness for precise compression ratio tuning
• Engineered specifically for GM LS7 Gen-4 small block V8 engines
• Exceeds OEM specifications for high-performance and racing applications
• Provides excellent resistance to combustion pressure and temperature extremals

Cometic's MLS head gaskets utilize multiple layers of stainless steel with a Viton rubber coating to create a superior seal that withstands extreme cylinder pressures and temperatures. The gasket's design allows for minor surface imperfections while maintaining a reliable seal, making it an excellent choice for built engines, forced induction setups, and high-compression naturally aspirated builds. Designed for use with aftermarket sleeves only, this gasket ensures proper sealing in modified LS7 applications.