Radium FPR RA Fuel Pressure Regulator Kit - Subaru STI 08-21

Complete fuel pressure regulator kit engineered by Radium Engineering for Subaru STI (2008-2021). This comprehensive kit includes the Radium RA-series FPR, mounting bracket, and all necessary hardware to replace the restrictive factory fuel pressure regulator with a professional-grade adjustable solution.

Compatibility

• Subaru WRX STI (2008-2021)

Key Features

• ✓ Complete kit with RA-series FPR and mounting hardware
• ✓ Adjustable fuel pressure: 30-90 PSI (2-6 bar)
• ✓ Direct replacement for factory regulator
• ✓ CNC-machined billet aluminum construction
• ✓ 1:1 rising rate fuel pressure regulation
• ✓ Integrated vacuum/boost reference port
• ✓ Vehicle-specific mounting bracket included
• ✓ Anodized finish for corrosion resistance
• ✓ E85 and all fuel types compatible
• ✓ Professional-grade motorsport component

Technical Specifications

• Application: Subaru WRX STI (2008-2021)
• Part Number: 20-0965
• Pressure Range: 30-90 PSI (2-6 bar) adjustable
• Regulation Type: 1:1 rising rate
• Construction: CNC-machined billet aluminum
• Includes: RA-series FPR, mounting bracket, hardware, installation instructions
• Fuel Compatibility: Gasoline, E85, and alternative fuels

Applications

Ideal for Subaru STI builds requiring adjustable fuel pressure control and improved reliability over the factory regulator. Perfect for high-performance street, track, or motorsport applications where precise fuel pressure regulation is critical for turbocharged EJ25 engine performance.

Benefits

• Complete kit eliminates need to source individual components
• Adjustable 30-90 PSI range suits wide variety of applications
• 1:1 rising rate maintains consistent fuel pressure under boost
• Direct replacement simplifies installation
• Vehicle-specific bracket ensures proper fitment
• CNC-machined precision ensures reliable operation
• Anodized finish provides long-term durability
• Compatible with all fuel types including E85
• Professional motorsport-grade construction

Important Note: Complete kit includes RA-series fuel pressure regulator, vehicle-specific mounting bracket, and all necessary hardware for installation.

Fast shipping available throughout Australia. Lead times may vary - contact us for current availability.