Radium FPR RA Fuel Pressure Regulator Kit - Subaru STI 08-21
Radium FPR RA Fuel Pressure Regulator Kit - Subaru STI 08-21
Universal fit
No vehicle selection needed.
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
Fitment not confirmed
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
Vehicle fitment
This part is listed to fit the following vehicles.
In Melbourne? Fit it in our workshop.
We fit parts in-house at the RevZone workshop. Book a time and bring your car in.
Description
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
- 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.
Specifications
- Part Number
- 20-0965
- Brand
- Radium Engineering
Shipping
Orders are processed within 1-2 business days (Monday to Friday), and orders placed before 12pm AEST are usually dispatched the same day. Once dispatched, standard shipping takes 3-7 business days and express 1-3, with tracking emailed as your order leaves.
If part of your order is out of stock, we'll contact you with the option to split the shipment or hold it until everything is ready. Read the full shipping policy.
Returns
You have 14 days from delivery to request a return on unused parts in their original packaging. Refunds incur a 15% restocking fee (20% for special orders), or choose store credit and the full purchase value is applied to your account.
Parts that have been test fitted, installed, or used can't be returned, and special-order or overseas-ordered items are assessed case by case. Faulty or incorrectly supplied items are always covered at no cost to you. Read the full returns policy.
