Cometic Cylinder Head Gasket - 4.375 in Bore - 0.040 in Compression Thickness - Multi-Layer - Big Block Chevy C5329-040 Racing Electronics and functionality of exhaust Hedders

and functionality of exhaust Hedders

Pontiac: Firebird 67 - 75 6

20 AN Hose to 20 AN Female Swivel

16 AN Male to 10 AN Male O-Ring

Cometic Cylinder Head Gasket - 4.375 in Bore - 0.040 in Compression Thickness - Multi-Layer - Big Block Chevy C5329-040 Racing Electronics and functionality of exhaust HeddersComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". 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