Cometic C15528-089 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.185

The Cometic C15528-089 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet Generation I Small Block V8 engines. This precision gasket features a 4.185-inch bore diameter and .040-inch compressed thickness, making it ideal for performance builds and engine rebuilds requiring reliable sealing under high temperatures and pressures.

Key Specifications:

• Multi-Layer Steel (MLS) construction for superior durability and heat resistance
• 4.185-inch bore diameter accommodates various bore sizes and stroker applications
• .040-inch compressed gasket thickness
• Designed for 18-degree and 23-degree cylinder heads
• Configuration without steam holes
• Compatible with Chevrolet Gen-I Small Block V8 engines (262-400ci)

MLS Technology Benefits:

• Multiple layers of stainless steel provide exceptional recovery and conformability
• Maintains seal integrity through repeated heat cycles
• Excellent for high-performance, turbocharged, and supercharged applications
• Resists blowout and extrusion better than traditional composite gaskets
• Requires proper surface finish (typically 50 RA or smoother) for optimal sealing

Cometic gaskets are manufactured in the USA using advanced materials and processes trusted by professional engine builders and racers worldwide. This gasket is specifically engineered for aftermarket performance cylinder heads with 18-degree or 23-degree valve angles, commonly found on racing and high-performance street applications.