Adjustable Fuel Pressure Regulator Barb Fitting

Kirban Adjustable Billet Fuel Pressure Regulator for 1986-1993 5.0L and 1987-1993 5.8L Ford Mustangs.

GENSSI Type S Adjustable Fuel pressure Regulator FPR Universal JDM Turbo (Blue)

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  • The adjustable fuel pressure regulator is CNC machined from 6061 T-6 aluminum for strength and durability and black anodized for a great underhood appearance. It comes in a universal version that includes a universal mounting bracket for installation on any vehicle, and direct-fit version for Honda/Acura race engines that comes with hardware and mounts to the OE fuel rail or AEM High Volume Fuel Rail. The universal regulator features a 1/8 NPT port to connect a fuel pressure gauge or pressure sensor pick up, while the Honda/Acura regulator includes a custom barb fitting to connect the factory fuel line. Both regulators are tapped for -6AN or 9/16” x 18 fittings.

    The Adjustable Fuel Pressure Regulator is manufactured and assembled in the USA. Comprehensive installation instructions are included with the regulator, and it’s backed by a limited 1-year warranty against defects in materials and workmanship.

  • 1984-1987 Turbo Regal -
    ADJUSTABLE FUEL PRESSURE REGULATOR

    All 100% billet construction… This regulator features a Viton 3-layer diaphragm rated at 100 psi constant and 300 psi burst. It is totally adjustable from 30 psi to 100 psi. Like our previous design, it also has a separate port for the vacuum line. This allows for easier adjustment without having to remove your vacuum line each time. It is a direct bolt-in replacement for your stock regulator.

    By installing an adjustable fuel pressure regulator, it will enable you to tune your car to the way you want it to respond. It is also one of the first upgrades you need to make to increase fuel delivery.

    We also recommend our part #1540 high-volume fuel pump and our feeder kit part #6751. The combination of all three upgrades assures you of the best fuel delivery possible.

    6547 - 1984-1987 Turbo Regal - Billet Aluminum Adjustable Fuel Pressure Regulator


    A common problem with the fixed orifice in an ordinary regulator is that the fuel pressure cannot be effectively controlled when the fuel pump volume is significantly higher than stock. If the orifice is too small there is a large pressure spike associated with rapid deceleration because the orifice cannot flow enough fuel when the diaphragm is fully deflected to the open position. This causes a momentary rich condition, which may lead to a rough idle quality until the pressure stabilizes. Conversely, if the discharge orifice is too large it becomes difficult to adjust the fuel pump pressure because the response of the fuel flow out of the orifice is too rapid, which makes the adjustment screw too sensitive. The AEM Adjustable Fuel Pressure Regulator comes with 3 orifice sizes, 0.100”, 0.150”, and 0.200” to dial in the discharge port size. The orifice is easily changed once the diaphragm is removed and the procedure is detailed in the included instructions.

    These BBK Billet Aluminum adjustable fuel pressure regulators offer great features such as a full CNC machined billet aluminum housing and base, blue anodized finish, full diaphragm and full adjust ability from 35-65PSI

  • These BBK Billet Aluminum adjustable fuel pressure regulators offer great features such as a full CNC machined billet aluminum housing and base, blue anodized finish, full diaphragm and full adjust ability from 0-60PSI

    Adjustable Fuel Pressure Regulator by AEM®. AEM's Adjustable Fuel Pressure Regulators are capable of supporting enough fuel flow for engines up to 1000 horsepower. AEM patented interchangeable discharge ports enable the regulator's output to match the output of any fuel pump. AEM includes a custom barb fitting to accommodate the factory fuel hose and the base of each regulator is tapped to accept a -6 AN or 9/16”x18 fittings.

Adjustable Fuel Pressure Regulator | eBay

The Adjustable Fuel Pressure Regulator is manufactured and assembled in the USA. Comprehensive installation instructions are included with the regulator, and it's backed by a limited 1-year warranty against defects in materials and workmanship.