Cometic C5432-030 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.310 030

The Cometic C5432-030 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed for Chevrolet Mark-IV and GM Gen-V/VI Big Block V8 engines. This high-performance gasket features a .030" compressed thickness and is specifically designed for a 4.310" bore diameter, 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
• .030" compressed thickness allows for precise compression ratio tuning
• 4.310" bore diameter accommodates standard and performance big block builds
• Engineered for aftermarket cylinder heads with undersized water ports for customization
• Compatible with Chevrolet Mark-IV, GM Gen-V, and Gen-VI Big Block V8 engines
• Oversized water ports allow machinists to custom-fit water passages to match specific head configurations

Cometic's MLS gasket technology uses multiple layers of stainless steel with specialized coatings to create a gasket that can withstand the demands of high-performance and racing applications. The undersized water port design provides flexibility for engine builders working with various aftermarket cylinder head designs, allowing proper water passage alignment through custom machining.