; 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
- Made of 6061-T6 billet aluminum
- BBC/SBC intake manifold
- Can be used in applications where a heavy-duty filler neck is required
- Includes screw-in 1/8 NPT hose fitting & accepts Moroso or standard size radiator cap (not included).
