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Radium Fuel Pressure Regulator - Direct Mount

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Fitments

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SUBARU UNIVERSAL

Product Description

The Direct Mount Regulator (DMR) is the perfect solution for simplifying a high-flow fuel injection system. It’s unique swivel inlet fitting adapts directly to the fuel rail eliminating external mounting and additional plumbing. The DMR uses the same internals as the popular Radium Multi-Pump Regulator. This means it carries over the ability to change the orifice to match the regulator to the pump flow. See the installation instructions for more details.

Either of the lower two opposing -6AN ORB ports can be used for the return line. Using the included fittings, simply install the 6AN male into the port that points in the ideal direction and install the plug into the remaining port. Fuel pressure is dialed in using the preload set screw on top.

The 1:1 vacuum reference high flow design has been tested to regulate over 1,400 liters per hour (see MORE DETAILS tab). Furthermore, with the addition of interchangeable return orifices, the DMR can be used in ANY horsepower output EFI system imagineable and is compatible with all gasoline and ethanol blends of fuel.

Is the DMR compatible with my fuel rail?
Your fuel rail must have an available port with compatible threads. Currently, Radium Engineering offers a 6AN ORB and 8AN ORB inlet adapters. Furthermore, 2.5” of free space off the end of the fuel rail is mandatory.

INCLUDED

  • Fuel Pressure Regulator (Black or Green Top)
  • Inlet Adapter Fitting (6AN or 8AN ORB)
  • 6AN or 8AN ORB to 6AN Male
  • 6AN or 8AN ORB Plug
  • Interchangeable Return Orifices (x3)
  • Stainless Steel Hardware