Cometic C5464-080 MLS Cylinder Head Gasket Chrysler B/RB Bore Thick - V8 4.500 080

The Cometic C5464-080 is a premium multi-layer steel (MLS) cylinder head gasket engineered for Chrysler B and RB series big block V8 engines, including 361, 383, 400, 413, 426, and 440 cubic inch applications. This high-performance gasket features a 4.500-inch bore diameter with a compressed operating thickness of .080 inches, making it ideal for performance builds and high-output engines.

Advanced MLS Construction:

• Comprised of multiple embossed layers of stainless steel for superior strength and durability
• Outer layers coated with Viton rubber on both sides for exceptional sealing performance
• Heat resistant to 250°C (482°F) to withstand extreme combustion temperatures
• No sealants required for installation
• Valve pocketed bore shape for proper valve clearance

Performance Benefits:

• Ideal for both aluminum-to-aluminum and aluminum-to-cast iron block combinations
• Withstands shearing forces created by dissimilar materials
• Enhanced rebound characteristics and corrosion resistance from stainless steel construction
• Even clamp load distribution reduces bore distortion
• No re-torque required after installation

This gasket is designed to meet the demands of high-performance street and race applications where maximum sealing integrity is critical. The embossed stainless steel layers with Viton coating provide reliable sealing across various surface finishes and load conditions.