Cometic 4.500 MLS Head Gasket .040 - BB Chrysler H764009M Reinforced M6 threaded HANS/HNR inserts

Reinforced M6 threaded HANS/HNR inserts are mated to the shell along with an expanded polystyrene (EPS) liner

(Do not use a microfiber cloth)

1982-1991 Pontiac Firebird

2013-2018 Ram 2500 98

Cometic 4.500 MLS Head Gasket .040 - BB Chrysler H764009M Reinforced M6 threaded HANS/HNR insertsComprised 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