Cometic 4.160 MLS Head Gasket .051 - GM LS1 Engine Mount Shim with a primary operating range

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)

detent springs and balls

Real-Time Data Logging

Amalie Blue Hi-Temp Grease is a premium

Speedometer

Cometic 4.160 MLS Head Gasket .051 - GM LS1 Engine Mount Shim with a primary operating rangeComprised 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