Polaris Sportsman 500 700 800 (2006 and Up) EFI Fuel Pump Fuel Pressure Regulator - 38-40 PSI Fits most 2006 and newer Sportsman 500, 700 and 800 EFI models Stock replacement 38-40 psi. OEM Style fuel pressure regulator. Maintains stock fuel pressure. Includes new o-rings.