Cometic 4.160" MLS Head Gasket (Each) - .040" - SB Chevy BRODIX AA0700AF1T57 The mufflers in our Axle-Back

The mufflers in our Axle-Back systems are tuned for each specific application

torque and lowering EGT's

Bully Dog products are built to be flexible

Screw-In Seat

Cometic 4.160" MLS Head Gasket (Each) - .040" - SB Chevy BRODIX AA0700AF1T57 The mufflers in our Axle-BackComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". Suitable for Brodix 12 23 Degree Head. 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