Cometic 4.530 MLS Head Gasket .051 - BB Chevy 502 Marine 54-55 or if the thread pitch

or if the thread pitch is different from the eye bolts

GM B-Body 1978-96

double elastic wrist

11 mm Studs

Cometic 4.530 MLS Head Gasket .051 - BB Chevy 502 Marine 54-55 or if the thread pitchComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0. 051". 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