Cometic 4.185 MLS Head Gasket .051 - GM LSX LH RG20004L 1/2" deep oil collection trough

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

and Mercury E4OD Automatic Transmissions

many of which are common for performance upgrades

1979-1981 GMC K3500

Cometic 4.185 MLS Head Gasket .051 - GM LSX LH RG20004L 1/2" deep oil collection troughComprised 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