706003 - Water Neck Riser with 1/2 IN. NPT Front Side Port
Water neck riser with 1/2 IN. NPT front side port location and rear corner port locations.
New design with 1/2 IN. NPT thread port. Aluminum water neck riser allows installation of a sending unit or connection of a pressure-side heater line or hose when you are unable to use existing manifold outlets. Fitting sold separately. Designed for SB & BB Chevy.