Cometic 4.040" Bore Head Gasket 0.060" Thickness Multi-Layered Steel GM LT-Series Engine Oil Dipstick 1975-1979 Pontiac Grand Prix

1975-1979 Pontiac Grand Prix

1967-1987 Pontiac Firebird

This liquid filled Accusump gauge is an upgrade to the standard gauge

Not only will you get increased performance but you will also see lower EGTs and increased MPG

Upon combustion in the combustion chamber

Cometic 4.040" Bore Head Gasket 0.060" Thickness Multi-Layered Steel GM LT-Series Engine Oil Dipstick 1975-1979 Pontiac Grand PrixComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 060". 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