Cometic 4.320 MLS Head Gasket .051 - BB Chevy Electric Fuel Pump 340 in Long

340 in Long

1974-1974 GMC G25/G2500 Van

3/4" thick

magnetic-dynamic noise-cancelling microphone

O-rings Included

Cometic 4.320 MLS Head Gasket .051 - BB Chevy Electric Fuel Pump 340 in LongComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 051". 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