Cometic C5331-034 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for V8 4.630

The Cometic C5331-034 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet Mark IV Big Block V8 engines. This high-performance gasket features a 4.630-inch bore diameter and a compressed thickness of .034 inches, making it ideal for performance builds and engine rebuilds requiring precise sealing.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under extreme pressures and temperatures
• 4.630-inch bore diameter accommodates standard and performance Big Block applications
• .034-inch compressed thickness allows for precise compression ratio tuning
• Engineered specifically for Chevrolet Mark IV Big Block V8 engines
• Embossed stainless steel layers with viton rubber coating ensure consistent sealing
• Resists blowout and accommodates minor block and head imperfections

Cometic gaskets are manufactured in the USA using advanced materials and precision manufacturing processes. The MLS design distributes clamp load evenly across the head surface while maintaining flexibility to handle thermal expansion and contraction during engine operation, making this gasket an excellent choice for street performance, racing, and high-horsepower applications.