Cometic 045 MLS 4.63in Bore Head .045 - BBC BRODIX Exhaust Port Block-Off 3 in Round to 3-1/2

3 in Round to 3-1/2 x 2-1/8 in Oval

Completely assembled - ready to install

Made from 3/16 mild steel with a 3 radius to fit all popular rear end housings

24-1/2 in Long

1967-1979 Ford Thunderbird

Cometic 045 MLS 4.63in Bore Head .045 - BBC BRODIX Exhaust Port Block-Off 3 in Round to 3-1/2Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 045". Suitable for Brodix Big Duke Brodie 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