Cometic C5402-051 MLS Cylinder Head Gasket Chevy SBC Bore Thick - 4.160 051

The Cometic C5402-051 is a Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet Generation-1 Small Block V8 engines. This precision-manufactured gasket features a .051-inch compressed thickness and a 4.160-inch bore diameter, making it ideal for performance builds and engine rebuilds requiring exact bore specifications.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under high-performance conditions
• 4.160-inch bore diameter accommodates specific engine configurations
• .051-inch compressed thickness allows for precise compression ratio tuning
• Undersized water ports designed for aftermarket cylinder heads, allowing custom port matching and coolant flow optimization
• Compatible with Chevrolet Gen-1 Small Block V8 engines (262-400ci)
• Engineered for use with aftermarket performance heads

Cometic's MLS gaskets utilize multiple layers of stainless steel with proprietary coatings to maintain seal integrity through thermal cycling and engine movement. The undersized water ports on this gasket provide the flexibility to custom-match coolant passages to your specific aftermarket heads, ensuring optimal cooling system performance. This gasket is designed for engine builders and performance enthusiasts who demand precision fitment and reliable sealing in demanding applications.