Cometic C5402-056 Chevy Small Block MLS Head Gasket Bore - V8 4.160 056

The Cometic C5402-056 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Chevrolet Generation 1 Small Block V8 engines. This precision-engineered gasket features a 4.160-inch bore diameter and a compressed thickness of .056 inches, making it ideal for performance builds and engine rebuilds.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under extreme cylinder pressures
• 4.160-inch bore diameter accommodates stock and slightly over-bored small block Chevy engines
• .056-inch compressed thickness allows for precise compression ratio tuning
• Undersized water ports designed for aftermarket cylinder heads, allowing custom port matching and flow optimization
• Embossed stainless steel outer layers with a soft steel inner core for optimal sealing
• Compatible with Gen-1 Chevy Small Block V8 engines (265, 283, 302, 305, 327, 350, 400)

Cometic MLS gaskets are engineered to withstand the rigors of high-performance applications, including forced induction, nitrous oxide, and high-compression naturally aspirated builds. The undersized water ports provide the flexibility to match your specific aftermarket cylinder head water jacket configuration, ensuring proper coolant flow and preventing leakage. This gasket is sold individually and requires proper surface preparation and torque specifications for optimal performance.