Cometic C5247-089 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.125

The Cometic C5247-089 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet Generation 1 Small Block V8 engines. This high-performance gasket features a compressed thickness of .089 inches and accommodates a 4.125-inch bore diameter, making it ideal for performance builds and engine rebuilds requiring precise sealing.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability under extreme conditions
• 4.125" bore diameter with round bore design
• .089" compressed gasket thickness
• Compatible with 18-degree and 23-degree cylinder heads
• Includes steam holes for proper coolant circulation
• Designed for Chevrolet Generation 1 Small Block V8 engines (283, 305, 327, 350, 400)

Cometic's MLS gaskets utilize multiple layers of stainless steel with advanced coating technology to provide exceptional blowout resistance and reusability. The gasket's ability to conform to irregular sealing surfaces makes it particularly well-suited for high-performance applications, forced induction setups, and engines with deck surface imperfections. Steam holes are incorporated to ensure optimal coolant flow and prevent hot spots.