Cometic 4.125 MLS Head Gasket .040 - GM LS1 H76903FXL These valley oil baffles have

These valley oil baffles have holes for use with our valley vent tubes (#22-220)

Owned and managed by father and son with many families that all work together here

Clamp fastens around a 1-1/2" door bar

User definable 5 LED alarm for high-visibility notification of Pit Road Speed and approaching redline

1987-1987 GMC R2500

Cometic 4.125 MLS Head Gasket .040 - GM LS1 H76903FXL These valley oil baffles haveComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". With MID Sleeves. 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