Mechanical fuel pump made from heavy duty construction for continuous high RPM operation. Fuel body casting can be rotated to accommodate various plumbing situations. Fuel pressure regulator is not required. Product Features:High Output Fuel FlowFlows 170 gph Free FlowShutoff Pressure Pre-Set At 8 PSIFuel Pressure Regulator RequiredHeavy Duty Construction For Continuous High rpm OperationRedesigned High Flow Valves Ensure Adequate Fuel DeliveryFuel Body Casting Can Be Rotated For Plumbing Situations3/4in.-16 Inlet And Outlet PortsFittings Not Included