Cometic 4.500" Bore Head Gasket 0.040" Thickness Multi-Layered Steel Marine - BB Chevy 3552024-17-XXL two 3/8"NPT side outlet ports

two 3/8"NPT side outlet ports and a 1/8" NPT port for mounting a fuel pressure gauge or sender line

Knurled Edge / Polished

1996-2001 GMC Jimmy

like vapor-lock

4 blade for greater air flow

Cometic 4.500" Bore Head Gasket 0.040" Thickness Multi-Layered Steel Marine - BB Chevy 3552024-17-XXL two 3/8"NPT side outlet portsComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0. 040". 4 Bolts in Valley. 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