Cometic 4.540" Bore Head Gasket 0.027" Thickness Multi-Layered Steel BB Chevy 10221 1969-1979 Buick Skylark

1969-1979 Buick Skylark

better breathing layup

Body bolts are commonly used to fasten body panels and side skirts for easy removal but may be used anywhere a bolt with a captured washer is needed

Thermal Time Constant: < 15 sec

1968-1972 Chevrolet El Camino

Cometic 4.540" Bore Head Gasket 0.027" Thickness Multi-Layered Steel BB Chevy 10221 1969-1979 Buick SkylarkComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 027". 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