Cometic 4.500" Bore Head Gasket 0.040" Thickness Multi-Layered Steel Marine - BB Chevy Drag Racing Catalog 12 AN Hose to 1-1/16

12 AN Hose to 1-1/16 in NPT Male O-Ring

up to 1000 HP depending on application

Crankshaft Hub

1997-1999 GMC C1500

Cometic 4.500" Bore Head Gasket 0.040" Thickness Multi-Layered Steel Marine - BB Chevy Drag Racing Catalog 12 AN Hose to 1-1/16Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0. 040". 4 Bolts in Valley. 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