Cometic 4.280 MLS Head Gasket BB Chevy - 8.1L LH Mercury Marine 1023-17 Autometer GPS Speedometers

Autometer GPS Speedometers

Tail Tank Shell

Retains Stock Depth

Includes Data Acquisition Grade Temp Sender

Fits Stilo ST5

Cometic 4.280 MLS Head Gasket BB Chevy - 8.1L LH Mercury Marine 1023-17 Autometer GPS SpeedometersComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 051". Left Side. 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