AEM Universal High Capacity Adjustable Fuel Pressure Regulator

  • Sale
  • $ 137.27
  • Regular price $ 190.65


AEM's High Cap Universal Adjustable Fuel Pressure Regulator (PN 25-305BK) is the perfect solution for racers who need reliable fuel pressure in high-boost vehicles and racecars that require a large volume of fuel delivery. A longer spring provides for a wider range of adjustment (from 40 to 130 PSI). An easy-to-adjust set screw stands up to repeated adjustments. 

  • Universal fuel pressure regulator adapts to virtually any vehicle
  • Longer spring for wider range of adjustment (40 – 130 PSI)
  • Single large return orifice accommodates very high flow rate pumps
  • Boost dependent rising fuel pressure rate (1:1)
  • Three -6AN (9/16”-18) ORB O-ring style inlet ports (2 inlet, 1 return)
  • Easy to use adjustment screw
  • Integrated 1/8" NPT gauge port
  • 5mm (3/16") vacuum hose
  • Alcohol fuel and race gas compatible
  • CNC-machined from 6061-T6 billet aluminum
  • Patent # 6,298,828