Cometic 4.500" Bore Head Gasket 0.051" Thickness Multi-Layered Steel Mopar B/RB-Series 4304803-01-05 Valve Pocketed Bore

Valve Pocketed Bore

Nylon Washer

Whether you're a beginner or have been racing for the last twenty years

1963-1966 Chevrolet C30 Panel

Cometic 4.500" Bore Head Gasket 0.051" Thickness Multi-Layered Steel Mopar B/RB-Series 4304803-01-05 Valve Pocketed BoreComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 051". Cometic MLS (Multi Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two