Cometic 4.630 MLS Head Gasket .075 - BB Chevy 37500 These SBC Phenolic fuel pump

These SBC Phenolic fuel pump insulators are made to take the place of the steel plate that is between the fuel pump and the block on the SBC

Sold as one complete kit

Designed to mount the alternator low on the driver's side

Does NOT fit B

1955-1955 GMC 280-22

Cometic 4.630 MLS Head Gasket .075 - BB Chevy 37500 These SBC Phenolic fuel pumpComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 075". 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 the two