Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
Moroso Chevrolet water outlet filler neck features a 16AN connection with an O‑ring seal in aluminum for use on big‑block and small‑block applications. This outlet neck provides a robust, sealed fill or hose connection at the water outlet, accommodating AN plumbing while preserving a reliable O‑ring seal. It suits Chevrolet engine setups that require AN fittings at the coolant outlet.
Moroso Chevrolet Big Block/Small Block Water Outlet Filler Neck -16An w/O-Ring - Aluminum
