25-305BK – AEM Adj Fuel Press Reg

£117.97 £141.56 (£117.97 Exc. VAT)

Adj Fuel Press Reg


AEM High Capacity Universal Adjustable Fuel Pressure Regulator. Black Anodized. Inlet: 2 X -6 (9/16-18) Outlet: -6 (9/16″-18), Gauge Port: 1/8″NPT, Vacuum Hose: 5mm (3/16”), and Universal Mounting Bracket with Four (4) 10-32×1/2” Screws. Barb fitting for Outlet port sold separately PN 25-390.

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.

A single large return orifice is designed to handle high rate flow pumps. The regulator has a 1:1 rising pressure rate for boosted applications, and it is alcohol fuel and race fuel compatible. The High Cap Universal FPR is tapped to accept a 9/16”-18 O-Ring sealed fittings for inlet and return, and includes a 1/8 NPT port for a fuel pressure gauge or pressure sensor pick up.

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


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