Moroso Filler Neck - Aluminum - Billet

Filler Necks easily mounts to any Big Block or Small Block Chevy Intake manifolds. These necks are ideal for providing a more complete system filling and bleeding off any air in your cooling system. They are made from 6061-T6 billet aluminum 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)