Cometic 4.060 MLS Head Gasket .040 - GM LS1 AN O-Ring Plugs Maximum Operating Pressure - 3000

Maximum Operating Pressure - 3000 PSI

On our Chevrolet applications

9mS +/- 10% Turns Ratio 71:1 Maximum Current: 19 Amps Maximum Battery Voltage: 17 Volts Base Dwell: 3

1982-1992 GMC Jimmy

2009-2012 GMC

Cometic 4.060 MLS Head Gasket .040 - GM LS1 AN O-Ring Plugs Maximum Operating Pressure - 3000Comprised 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