Cometic 4.060 MLS Head Gasket .040 - Chevy 4.3L V6 HS11SAS 1969-1990 Pontiac Firebird

1969-1990 Pontiac Firebird

Optima Blue / Red / Yellow Top Batteries

Includes manual override switch

This is a replacement 10' parachute pack only

Cometic 4.060 MLS Head Gasket .040 - Chevy 4.3L V6 HS11SAS 1969-1990 Pontiac FirebirdComprised 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