Cometic C5035-040 MLS Cylinder Head Gasket Bore Big Block Chevy - 4.510 V8

The Cometic C5035-040 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Mercury Marine applications using Chevrolet Mark-IV and GM Gen-V/VI Big Block V8 engines. This gasket features a 4.510-inch bore diameter and a compressed thickness of .040 inches, providing optimal sealing performance for marine engine rebuilds and performance applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior durability and heat resistance
• 4.510-inch bore diameter designed for Big Block Chevrolet applications
• .040-inch compressed thickness for precise deck height control
• Engineered for Mercury Marine Chevrolet Mark-IV and GM Gen-V/VI Big Block V8 engines
• Eliminates gasket failure from extreme cylinder pressures and temperatures
• Requires proper surface preparation with RA finish of 50 or finer

Cometic's MLS gaskets feature multiple layers of stainless steel with advanced coating technology that provides exceptional conformability to sealing surfaces while maintaining the strength needed for high-performance marine applications. The embossed design ensures consistent clamping loads around combustion chambers and water passages.