Radium Engineering Direct Mount Regulator (DMR), 8AN ORB – Green

SKU: 20-1623-01

Radium Engineering Direct Mount Regulator (DMR) 8AN ORB – Green

Upgrade your fuel system with the Radium Engineering Direct Mount Regulator (DMR) 8AN ORB – Green, a compact EFI fuel pressure regulator designed for high-flow performance applications. The Radium 20-1623-01 mounts directly to a compatible 8AN ORB fuel rail for a cleaner installation with less plumbing, while delivering stable fuel pressure for naturally aspirated, boosted, gasoline, and E85 setups.

Built for serious street and race vehicles, this Radium fuel pressure regulator features tool-free adjustment, a compact direct-mount design, and compatibility with gasoline and alcohol-based fuels. It is a strong choice for builders searching for an 8AN ORB fuel pressure regulator, E85 fuel pressure regulator, or direct mount EFI regulator.

Key Features

• Direct Mount Design for compatible 8AN ORB fuel rails
• Compact high-flow regulator for EFI fuel systems
• Tool-free pressure adjustment
• 360 degree swivel inlet adapter for easier hose routing
• 1:1 rising rate vacuum reference
• Compatible with gasoline, ethanol, methanol, and E85
• Two 1/8 NPT ports for pressure gauge or sensor options
• Green anodized finish with Radium Engineering quality construction.

Specifications

• Part Number: 20-1623-01
• Brand: Radium Engineering
• Product Type: Direct Mount Regulator (DMR)
• Fuel Rail Fitment: 8AN ORB
• Main Inlet Port: 6AN ORB female with included adapter for compatible 8AN ORB fuel rail ports
• Fuel Compatibility: Gasoline, ethanol blends, methanol, and E85
• Color: Green

What’s Included

• Radium Engineering DMR rotating assembly
• Swiveling inlet adapter
• Vacuum fittings
• 1/8 NPT plugs
• Additional hardware for installation

Why Choose the Radium DMR?

The Radium Direct Mount Regulator is ideal for performance EFI builds that need a compact, reliable, and easy-to-adjust fuel pressure solution. Its direct-mount layout helps simplify plumbing, while its high-flow design supports demanding fuel systems without sacrificing control.