Cometic C5075-040 GM LSX Small Block MLS Cylinder Head Gasket Bore - Gen-4 V8 4.100

The Cometic C5075-040 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM LSX Gen-4 small block V8 engines. This gasket features a 4.100-inch bore diameter and a compressed thickness of .040 inches, making it ideal for performance builds and engine rebuilds requiring precise sealing and durability.

Key Features:

• Multi-Layer Steel construction provides superior sealing and conformability to irregular sealing surfaces
• 4.100-inch bore diameter accommodates stock and slightly overbored cylinders
• .040-inch compressed thickness allows for precise compression ratio tuning
• Designed specifically for GM LSX Gen-4 small block V8 engines including LS2, LS3, LS7, and compatible variants
• High-temperature resistant materials withstand extreme combustion pressures and temperatures
• Compatible with RHS (Racing Head Service) cylinder heads

Cometic gaskets are manufactured using advanced materials and precision manufacturing processes to ensure reliable performance in street, strip, and racing applications. The MLS design features multiple layers of stainless steel with specialized coatings to create a robust seal that resists blowout and maintains cylinder pressure even under high-boost forced induction conditions.