Keith Dorton Series VoluMax race series fuel pump made from heavy duty construction for continuous high RPM operation. Redesigned high flow valves always ensure adequate fuel delivery. Fuel pressure regulator is required. Fuel body casting can be rotated to accommodate various plumbing situations. High output fuel flow, flows 170 gph free flow. Shutoff pressure pre-set at 8 PSI, 3/4-inch-16 inlet and outlet ports. Fittings not included. Product Features:High Output Fuel FlowFlows 170 gph Free FlowShutoff Pressure Pre-Set At 8 PSIFuel Pressure Regulator Required Recommend P/N 12-704Heavy 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