Cometic C5703-054 GM LSX Small Block MLS Head Gasket Bore - Gen-4 V8 4.165

The Cometic C5703-054 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM LSX Gen-4 small block V8 engines. This high-performance gasket features a .054" compressed thickness and is designed for a 4.165" bore diameter, making it ideal for performance builds and engine rebuilds requiring precise sealing.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under high combustion pressures
• .054" compressed thickness allows for precise compression ratio tuning
• 4.165" bore diameter accommodates stock and slightly overbored LSX Gen-4 cylinders
• Left-hand side (LHS) gasket designed for proper fitment
• Engineered for LS2, LS3, LS7, LS9, and LSA engines with Gen-4 cylinder head configurations
• Embossed stainless steel outer layers with elastomer coating ensure exceptional sealing
• Resists blowout and maintains seal integrity in high-performance applications

Cometic gaskets are manufactured in the USA using proprietary materials and processes, making them a trusted choice for professional engine builders and performance enthusiasts. This gasket is sold individually and must be ordered as a set for complete engine assembly.