O-ring Style Chrome Water Neck 45 degree Fits 1967-1975 Chevrolet V8 Engines Mr GasketChrome water neck with a swivel top allows you to place your coolant hose where you want it to be, not just where the neck allows. Precision die cast for better fitment, these water necks are first polished to a high luster, then chrome plated. Features an O ring style seal to prevent water leaks. Comes with O ring Gasket and mounting bolts. Chrome Plated Aluminum O ring To Prevent Leaks Swivels For Hard To Fit Applications Comes With Allen Head Bolts