Cometic 4.320 MLS Head Gasket .040 - BB Chevy Gen V & VI Biondo Racing Products Highly accurate stretch gauge reads

Highly accurate stretch gauge reads in

6061-T6 material

Dramatically reduces toe rod flex

1992-2000 GMC Yukon

Cometic 4.320 MLS Head Gasket .040 - BB Chevy Gen V & VI Biondo Racing Products Highly accurate stretch gauge readsComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". 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