Remote Water Pumps Mini Inline and Bulkhead Our original remote makes a very clean installation when mounted to the back side of a V-8 motor plate. All the plumbing faces forward, with a single 1" NPT inlet and two -12 O-ring boss outlets. No water manifold is required. It also sits nicely into a fender well or out-of-the-way spot to provide more clearance in front of your engine. One 1" NPT inlet and two -12 outlets required. 35 GPM Std or 40 GPM Heavy Duty Std Options for Heavy Duty or 16 Volt