Cometic C5747-051 MLS Cylinder Head Gasket for Chevy Big Block Mark IV - ZL1 V8

The Cometic C5747-051 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Chevrolet ZL1 and Mark IV Big Block V8 engines. This precision-engineered gasket features a .051" (1.3mm) compressed thickness and is sized for a 4.300" bore diameter, making it ideal for performance builds and engine rebuilds requiring exact sealing specifications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• .051" compressed gasket thickness for precise compression ratio control
• 4.300" bore diameter engineered for Big Block Chevy applications
• Designed specifically for ZL1 and Mark IV V8 engine platforms
• Provides excellent resistance to high cylinder pressures and temperatures
• Ideal for performance, racing, and high-boost applications

Cometic MLS gaskets utilize multiple layers of stainless steel with advanced coating technology to create a reliable seal that can withstand extreme combustion pressures. The embossed layers allow the gasket to recover and maintain torque retention, while the MLS construction eliminates the need for retorquing. This gasket is an excellent choice for engine builders seeking maximum reliability and performance from their Big Block Chevy engines.