706004 - Water Neck Riser with Single Center 1/2 IN. NPT Port
Water neck riser with single center 1/2 IN. NPT port.
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.