Moroso Billet Aluminum Water Filler Neck 931175 Throttle body applications:

Throttle body applications:

1973-1974 GMC C25/C2500 Suburban CID 454 GAS

2 in Tube Mount Brackets Included

Front inset pockets

you cannot exceed -0

Moroso Billet Aluminum Water Filler Neck 931175 Throttle body applications:Made from 6061 T6 billet aluminum Easily mounts to any Big Block or Small Block Chevy intake manifold, and can be used in all racing and street performance applications where a heavy duty filler neck is required Includes screw in 1 8" NPT hose fitting for expansion tanks, and accepts standard size radiator cap (not included) Can also be used as a heavy duty replacement in Moroso Filler Neck Kits #MOR63420, MOR63470 and MOR63480 Moroso Performance