Cometic C5321-027 GM Small Block MLS Cylinder Head Gasket Bore - SB2.2 V8 4.125

The Cometic C5321-027 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 4.125-inch bore diameter and .027-inch compressed thickness, providing an optimal seal between the cylinder head and engine block.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• .027-inch compressed gasket thickness for precise compression ratio control
• 4.125-inch bore diameter designed for GM SB2.2 applications
• Integrated steam holes for proper coolant circulation
• Engineered to withstand extreme cylinder pressures and temperatures
• Embossed stainless steel construction resists corrosion and gasket failure

Cometic's MLS head gaskets utilize multiple layers of stainless steel with a Viton rubber coating, creating a superior seal that can handle high-performance and racing applications. The gasket's design allows for minor surface imperfections while maintaining excellent sealing properties under extreme combustion pressures. Ideal for performance builds, turbo applications, and race engines requiring reliable head gasket performance.