Moroso 63473 - Water Outlet, Chevy, O-Ring, -16AN

FILLER NECK,CHEVY, O-Ring Gasket, -16AN FILLER NECK,CHEVY, BILET ALUMINUM, O-RING GASKET, -16AN Fits: Small Block, Big Block and 90 Deg. V6 Chevy Intake Manifolds • -16AN fitting for use with steel braided reinforced upper radiator hose • One piece design machined from a billet bar • Clear Anodized finish • Includes mounting hardware