AEM's High Capacity Universal Adjustable Fuel Pressure Regulator is a solution for racers who need reliable fuel pressure in high-boost vehicles and racecars requiring a large volume of fuel delivery. A longer spring provides a wide adjustment range of 40 to 130 PSI, and an easy-to-adjust set screw stands up to repeated adjustments. This product carries a California Proposition 65 warning per the manufacturer's data.
A single large return orifice handles high flow-rate pumps, and the regulator has a 1:1 rising pressure rate for boosted applications. It is alcohol fuel and race fuel compatible. The body is tapped to accept 9/16"-18 O-ring sealed fittings for inlet and return, with a 1/8 NPT port for a fuel pressure gauge or pressure sensor pickup.
Specifications:
- Black anodized, CNC-machined from 6061-T6 billet aluminum
- Inlet: 2 x -6AN (9/16-18); Outlet: -6AN; Gauge Port: 1/8 in. NPT
- Vacuum hose: 5mm (3/16 in.)
- Universal mounting bracket with four 10-32x1/2" screws
- Adjustable from 40 to 130 PSI
- Boost dependent rising fuel pressure rate (1:1)
- Alcohol fuel and race gas compatible
- Barb fitting for outlet port sold separately (PN 25-390)
- Patent # 6,298,828
- Part Number: 25-305BK
FAQ
What is the adjustment range of this regulator?
It adjusts from 40 to 130 PSI using a longer spring and an easy-to-adjust set screw for repeated adjustments.
Is it compatible with alcohol or race fuel?
Yes, the regulator is alcohol fuel and race fuel compatible.
What fittings does the regulator use?
It has two -6AN (9/16-18) inlet ports, a -6AN outlet, and a 1/8 in. NPT gauge port; a barb fitting for the outlet is sold separately as PN 25-390.
