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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Radium Engineering
Radium Engineering RA-Series Fuel Pressure Regulator Kit for 2015-2021 Subaru WRX STI (EJ257) 20-0965
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
The Radium Engineering RA-Series Fuel Pressure Regulator (FPR) Kit is a bolt-on solution designed specifically for the 2015-2021 Subaru WRX STI equipped with the EJ257 engine. This kit replaces the factory regulator to provide the precise fuel pressure management required for high-performance applications, especially when upgrading to high-flow aftermarket fuel pumps.
Built with a 1:1 manifold pressure tracking ratio, the RA-Series regulator ensures consistent fuel delivery across the entire RPM range. This comprehensive kit (MPN 20-0965) includes all necessary hardware for a clean installation into the factory fuel system, allowing for manual pressure adjustments to fine-tune your engine's fueling requirements.
- Fits 2015-2021 Subaru WRX STI (Base, Limited, S209, and special editions)
- Specifically for EJ257 engine platforms
- Adjustable fuel pressure with 1:1 vacuum/boost reference
- Interchangeable discharge orifices to match pump flow
- Anodized finish for durability and corrosion resistance
- Includes vehicle-specific mounting bracket and adapter fittings
- Manufacturer Part Number: 20-0965
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2021 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2015-2021 | Subaru | WRX STI | Limited |
| 2019 | Subaru | WRX STI | S209 |
| 2016 | Subaru | WRX STI | Series.HyperBlue |
| 2018 | Subaru | WRX STI | Type RA |
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Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
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Radium Engineering RA-Series Fuel Pressure Regulator Kit for 2015-2021 Subaru WRX STI (EJ257) 20-0965
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
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The Radium Engineering RA-Series Fuel Pressure Regulator (FPR) Kit is a bolt-on solution designed specifically for the 2015-2021 Subaru WRX STI equipped with the EJ257 engine. This kit replaces the factory regulator to provide the precise fuel pressure management required for high-performance applications, especially when upgrading to high-flow aftermarket fuel pumps.
Built with a 1:1 manifold pressure tracking ratio, the RA-Series regulator ensures consistent fuel delivery across the entire RPM range. This comprehensive kit (MPN 20-0965) includes all necessary hardware for a clean installation into the factory fuel system, allowing for manual pressure adjustments to fine-tune your engine's fueling requirements.
- Fits 2015-2021 Subaru WRX STI (Base, Limited, S209, and special editions)
- Specifically for EJ257 engine platforms
- Adjustable fuel pressure with 1:1 vacuum/boost reference
- Interchangeable discharge orifices to match pump flow
- Anodized finish for durability and corrosion resistance
- Includes vehicle-specific mounting bracket and adapter fittings
- Manufacturer Part Number: 20-0965
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2021 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2015-2021 | Subaru | WRX STI | Limited |
| 2019 | Subaru | WRX STI | S209 |
| 2016 | Subaru | WRX STI | Series.HyperBlue |
| 2018 | Subaru | WRX STI | Type RA |
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