Moroso 63474 - Water Outlet, Chevy, O-Ring, -20An

FILLER NECK,CHEVY, O-Ring Gasket, -20AN FILLER NECK,CHEVY, BILET ALUMINUM, O-RING GASKET, - 20AN Fits: Small Block, Big Block and 90 Deg. V6 Chevy Intake Manifolds • -20AN fitting for use with steel braided reinforced upper radiator hose • One piece design machined from a billet bar • Clear anodized finish • Includes mounting hardware