Moroso 63461 Moroso Chevrolet Big Block/Small Block Bolt-On Water Outlet Filler Neck -16An Fitting - Aluminum

Water Outlet, Billet Aluminum, Chevy, -16AN fitting and two 3/8" NPT Female Ports, Black, Gasket

Fits: Small Block, Big Block, and 90° V6 Chevy Intake Manifolds

• Features two 3/8" N.P.T. female ports to plumb water to cylinder head for cooling