Cometic 4.140" Bore Head Gasket 0.066" Thickness Multi-Layered Steel Ford Powerstroke Diesel 42045 All driving jackets are assembled

All driving jackets are assembled with heavy-duty

1967-1971 Mercury Cyclone

D-Ring Backing Plate

00 in Extended

Pull Down Adjustment SFI 16

Cometic 4.140" Bore Head Gasket 0.066" Thickness Multi-Layered Steel Ford Powerstroke Diesel 42045 All driving jackets are assembledComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 066". 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