Cometic C5474-075 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.080

The Cometic C5474-075 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Generation 1 Chevrolet Small Block V8 engines. This precision-manufactured gasket features a .075" (1.9mm) compressed thickness and is designed to accommodate a 4.080" bore diameter, making it ideal for both stock and slightly overbored applications.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under extreme conditions
• 4.080" bore size compatible with standard and mild performance builds
• .075" compressed thickness for precise deck height and compression ratio tuning
• Valve pocketed bore design accommodates larger valves and high-lift camshafts
• Engineered for Vortec cylinder heads with proper coolant and oil passage alignment
• Embossed stainless steel layers with Viton rubber sealing beads resist high temperatures and corrosion
• Reusable design allows for multiple installation cycles during engine assembly and tuning

Cometic's MLS gaskets are the preferred choice for performance and racing applications where reliability is critical. The multi-layer construction allows the gasket to conform to minor surface imperfections while maintaining excellent combustion sealing. Compatible with both cast iron and aluminum cylinder heads on Generation 1 Small Block Chevy engines including 265, 283, 302, 305, 327, 350, and 400 cubic inch variants.