Reduce costs by eliminating the need for fittings and bypass hose. Versatile, mounts in seconds to either side of pump manifold. Trapped pressure type adjustable unloader with internal bypass system. Compact design features forged brass body and hardware. 200 F. Deg Max, 3/8" F Inlet, Outlet & Bypass. 2 Inlet & Bypass Ports. Features an Adjustable Pressure Knob.  EZ Start Model Allows For Easy Engine Starting By Eliminating Static Back Pressure