Radium Engineering – Direct Mount Fuel Pressure Regulator

Radium Engineering’s DMR-RA Direct Mount Regulator is a compact, high-performance adjustable fuel pressure regulator designed for EFI applications. Its integrated swivel adapter allows direct mounting to fuel rails with 8AN ORB ports, reducing plumbing complexity while maintaining precise fuel pressure control.

Constructed from anodized billet aluminum, the regulator features a tool-free adjustment knob with positive detents for easy, repeatable tuning. Dual 1/8″ NPT ports accept a fuel pressure gauge or sensor, while the bottom-mounted 6AN ORB return fitting with a 90° swivel simplifies routing. Compatible with gasoline, ethanol blends (E85), and methanol.

Includes mounting hardware, vacuum fittings, and port plugs for a clean installation.

Fits:
Universal — compatible with fuel rails using 8AN ORB ports

Radium Part Number: 20-1623-00