Cometic 4.020 MLS Head Gasket .040 - Buick V6 DX2900K 6 AN Male to 1/8

6 AN Male to 1/8 in NPT Male

1988-1991 Chevrolet C2500

Can be used on any Stilo helmet except the ST4 Formula - be sure to order the correct screw kit as the hardware is very specific

Carrying on a tradition of durability and dependability

1989-1992 Pontiac Firebird

Cometic 4.020 MLS Head Gasket .040 - Buick V6 DX2900K 6 AN Male to 1/8Comprised 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