Cometic 4.185 MLS Head Gasket .051 - GM LSX LH RG20004L Compact breather mounts in a

Compact breather mounts in a deck or bracket with a 7/16" hole and has a -4AN male end making it ideal for venting transmissions or rear ends

and Mercury E4OD Automatic Transmissions

1/2" deep oil collection trough which aids in oil scavenging

Gauges easily replace 1/4"-28 brake bleeders which are commonly found in most aftermarket calipers

1979-1981 GMC K3500

Cometic 4.185 MLS Head Gasket .051 - GM LSX LH RG20004L Compact breather mounts in aComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 051". 18 Bolt Heads. 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