Cometic 4.160 MLS Head Gasket .051 - GM LS1 Engine Mount Shim Comes with a B&M Pro

Comes with a B&M Pro Lever Shift Arm Kit

Real-Time Data Logging

with a primary operating range of 2500-6800 rpm's (this range is an average and will vary with engine displacement as well as component selection)

and no more fuel slosh

Amalie Blue Hi-Temp Grease is a premium

Cometic 4.160 MLS Head Gasket .051 - GM LS1 Engine Mount Shim Comes with a B&M ProComprised 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