Cometic C5646-053 GM LT1/LT4 Gen II MLS Head Gasket 4.100 Bore

The Cometic C5646-053 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for GM Generation II LT1 and LT4 small block V8 engines. This high-performance gasket features a 4.100-inch bore diameter and a compressed thickness of .053 inches, making it ideal for stock and performance builds requiring reliable sealing under high combustion pressures.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 4.100-inch bore diameter optimized for LT1/LT4 engine configurations
• .053-inch compressed gasket thickness
• Engineered specifically for GM Generation II small block V8 engines
• High-temperature and high-pressure sealing capability
• Prevents combustion gas leakage and coolant seepage

Cometic's MLS gaskets utilize multiple layers of stainless steel with engineered coatings to create a gasket that can withstand extreme temperatures and pressures while maintaining consistent clamping loads. This design compensates for surface imperfections and thermal expansion, ensuring a reliable seal throughout the engine's operating range. Perfect for enthusiasts rebuilding LT1 or LT4 engines in C4 Corvettes, Camaros, Firebirds, and Impala SS applications.