Cometic 4.320 MLS Head Gasket .040 - BB Chevy H88601CM3M 5/16 in Bolt

5/16 in Bolt

Available with arm restraints for an additional $100

and a gold zinc chromate finish

Borla Cat-Back And Axle-Back multi-core technology to unleash hidden horsepower

325 in OD Balancer

Cometic 4.320 MLS Head Gasket .040 - BB Chevy H88601CM3M 5/16 in BoltComprised 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