Cometic C5272-070 MLS Cylinder Head Gasket Chevy Small Block Bore Thick - 4.165 070

The Cometic C5272-070 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet Generation 1 Small Block V8 engines. This precision gasket features a 4.165-inch bore diameter and .070-inch compressed thickness, making it ideal for performance builds and high-compression applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability under extreme conditions
• 4.165-inch bore diameter accommodates standard and slightly overbored small block configurations
• .070-inch compressed thickness allows for compression ratio adjustments
• Valve pocketed bore design provides clearance for performance valvetrain components
• Compatible with 18-degree and 23-degree cylinder head angles
• Steam hole configuration matches factory specifications for proper coolant flow
• Engineered for Gen-1 Small Block Chevrolet V8 engines (262-400 cubic inch)

Cometic MLS gaskets utilize multiple layers of stainless steel with advanced coating technology to create a reliable seal that accommodates thermal expansion, engine movement, and high cylinder pressures. The valve pockets ensure proper clearance in performance applications with larger or upgraded valves, while the precise bore sizing maintains optimal combustion chamber sealing.