Cometic 4.320 MLS Head Gasket .040 - BB Chevy H88601CM3M Borla Cat-Back And Axle-Back multi-core

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

67 in Long

limited lifetime filters are high flow and high performance

325 in OD Balancer

Cometic 4.320 MLS Head Gasket .040 - BB Chevy H88601CM3M Borla Cat-Back And Axle-Back multi-coreComprised 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