Cometic C5432-056 MLS Cylinder Head Gasket Chevy Big Block Bore Thick - 4.310 056

The Cometic C5432-056 is a premium multi-layer steel (MLS) cylinder head gasket engineered for Chevrolet Mark-IV and GM Gen-V/VI big block V8 engines. This gasket features a .056-inch compressed thickness and is designed with a 4.310-inch bore diameter, making it ideal for custom performance applications.

Key Features:

• Multi-layer steel construction provides superior sealing and durability under high combustion pressures
• 4.310-inch bore diameter accommodates a wide range of big block builds
• .056-inch compressed thickness allows for precise compression ratio tuning
• Designed for aftermarket cylinder heads with undersized water ports for custom porting and cooling system optimization
• Compatible with Chevrolet Mark-IV, Gen-V, and Gen-VI big block V8 engines
• Engineered to withstand extreme temperatures and pressures in performance applications

Cometic's MLS gaskets feature multiple layers of stainless steel with elastomeric coatings that adapt to imperfections in sealing surfaces, ensuring maximum reliability in street, strip, and racing applications. The undersized water ports provide builders with the flexibility to custom-match the gasket to specific cylinder head designs and cooling requirements.