Product Description
Billet Aluminum Filler Neck, Chevy, Bolt-on
Made from 6061-T6 billet aluminum
Easily mounts to any Big Block or Small Block Chevy intake manifold, and can be used in all raacing 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 Moroso or standard size radiator cap (not included)
Can also be used as a heavy-duty replacement in our Filler Neck Kit No. 63420