Cometic C5457-051 Chrysler LA MLS Cylinder Head Gasket Bore - V8 4.125 051

The Cometic C5457-051 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chrysler LA V8 engines. This premium gasket features a compressed thickness of .051 inches and is designed for a 4.125-inch bore diameter, making it ideal for performance and racing applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• .051-inch compressed thickness provides optimal compression ratio for performance builds
• 4.125-inch bore diameter accommodates stock and slightly overbored applications
• Engineered for Chrysler LA small block V8 engines (273, 318, 340, 360 cubic inch variants)
• Advanced MLS technology handles extreme cylinder pressures and temperatures
• Eliminates gasket failure common with composite head gaskets in high-performance applications
• Provides consistent clamping pressure and conforms to minor surface imperfections

Cometic's MLS gaskets feature multiple layers of stainless steel with precision-engineered embossments that create a superior seal around combustion chambers, oil passages, and coolant ports. The gasket's construction allows it to withstand the rigors of turbocharged, supercharged, and nitrous oxide applications while maintaining a reliable seal through repeated heat cycles.