Cometic 4.040 MLS Head Gasket .040 - SB Chevy LT1 AA0220BG1T54 50 Stainless Counter Allen Screws

50 Stainless Counter Allen Screws / Lock Nuts

1960-1972 Chevrolet Biscayne

from dirt ovals to super speedways

improved idle quality

Cometic 4.040 MLS Head Gasket .040 - SB Chevy LT1 AA0220BG1T54 50 Stainless Counter Allen ScrewsComprised 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