Cometic Cylinder Head Gasket - 4.540 in Bore - 0.040 in Compression Thickness - Multi-Layer - Big Block Chevy C5333-040 Front Crank Seal nitrous fed LS engine on

nitrous fed LS engine on water/meth

1983-1985 Chevrolet S10

with parts from fuel and exhaust systems to body fasteners and everything in-between

Ford: Custom 64 - 67 5

Anodized black for durability and laser etched with the Holley EFI logo

Cometic Cylinder Head Gasket - 4.540 in Bore - 0.040 in Compression Thickness - Multi-Layer - Big Block Chevy C5333-040 Front Crank Seal nitrous fed LS engine onComprised 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