Cometic 4.150" Bore Head Gasket 0.040" Thickness Multi-Layered Steel GM LS-Series - LS7 H776427L extensive prototyping and advanced sound

extensive prototyping and advanced sound analysis tools

1967-1982 Chevrolet C20 Suburban

Cup will accept a 1” or 1-1/8” weight jack bolt

1969-1978 Chevrolet Nova

Inline water pump will flow up to 50 GPM

Cometic 4.150" Bore Head Gasket 0.040" Thickness Multi-Layered Steel GM LS-Series - LS7 H776427L extensive prototyping and advanced soundComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". 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