Filler Neck, Billet, Black
- 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 Moroso or standard size radiator cap (not included)
- Can also be used as a heavy-duty replacement in our Filler Neck Kit No. 63420
California Proposition 65 Warning: Cancer and reproductive harm. See www.P65Warnings.ca.gov.