Cometic C5321-080 GM Small Block MLS Cylinder Head Gasket Bore - SB2.2 V8 4.125

The Cometic C5321-080 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM SB2.2 small block V8 engines. This precision-manufactured gasket features a .080" compressed thickness and is designed for a 4.125" bore diameter.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under extreme conditions
• .080" compressed thickness for optimal compression ratio tuning
• 4.125" bore diameter designed for GM SB2.2 applications
• Integrated steam holes for proper coolant circulation
• Embossed stainless steel layers with advanced coating technology
• Excellent resistance to combustion pressure and thermal cycling

Cometic MLS gaskets feature multiple layers of stainless steel with specialized coatings that allow the gasket to adapt to sealing surfaces and maintain a reliable seal even in high-performance and racing applications. The design accommodates engine movement and thermal expansion while preventing coolant and combustion gas leakage. This gasket is ideal for street performance, competition, and boosted applications where reliable head sealing is critical.