Cometic C15203-071 GM Small Block MLS Head Gasket Bore - LT1/LT4 Gen-5 V8 4.150

The Cometic C15203-071 is a premium Multi-Layer Steel (MLX) cylinder head gasket engineered specifically for GM Generation 5 LT1 and LT4 Small Block V8 engines. This high-performance gasket features a 4.150-inch bore diameter and a compressed thickness of .071 inches, providing an optimal seal for stock and modified applications.

Key Features:

• Multi-Layer Steel (MLX) construction for superior sealing and durability
• 4.150-inch bore diameter accommodates standard and slightly over-bored cylinders
• .071-inch compressed gasket thickness for precise compression ratio tuning
• Specifically designed for GM Gen-5 LT1 and LT4 Small Block V8 engines
• Embossed stainless steel layers with high-temperature coatings resist corrosion and blowout
• Provides excellent rebound characteristics and conformability to deck surfaces

Cometic's MLX gaskets are the choice of professional engine builders and performance enthusiasts who demand reliable sealing under extreme cylinder pressures and temperatures. The multi-layer design allows the gasket to adapt to thermal expansion and contraction while maintaining consistent clamping force across the entire sealing surface.