Cometic 4.580 MLS Head Gasket .051 - BB Chevy Marine YA0815 multiple inlet and outlet ports

multiple inlet and outlet ports of multiple sizesAeromotive Inc

gun drilled for light weight and threaded using the J-form rolling process

3/4 in Bore

3/8-24 in Top Thread

COMETIC MLX (Multi-Layer Stopper) gaskets utilize an integrated stopper layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore distortion

Cometic 4.580 MLS Head Gasket .051 - BB Chevy Marine YA0815 multiple inlet and outlet portsComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0. 051". 2 Slotted Valley Bolts. 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