Cometic 4.160 MLS Head Gasket .051 - GM LS1 R030015M The 345cc come standard with

The 345cc come standard with AFR's trademark

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1/8" NPT temperature sender is included

507 in Knurl

Cometic 4.160 MLS Head Gasket .051 - GM LS1 R030015M The 345cc come standard withComprised 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