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| SKU | RAD20-0965 |
| MPN | 20-0965 |
| Certifications | None |
| 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 |
Introducing the Radium Engineering RA-Series Fuel Pressure Regulator Kit, designed specifically for the 2008 to 2021 Subaru WRX STi with the EJ257 engine. This high-performance fuel pressure regulator ensures precise fuel pressure control, enhancing your vehicle's fuel delivery system for optimized engine performance and reliability.
The kit is engineered with durability and efficiency in mind, providing a stable fuel pressure supply under demanding driving conditions. Whether you're tuning for more power or maintaining consistent fuel flow, this regulator is a reliable component to trust.
Designed to fit perfectly with your WRX STi model, the Radium Engineering regulator integrates seamlessly with your existing fuel system, supporting enhanced throttle response and overall engine efficiency. Installation is straightforward, making it a great upgrade for both seasoned enthusiasts and professional workshops.
Experience the superior build quality and precision of Radium Engineering products, backed by the expertise of Tuningsupply, your trusted source for performance automotive parts across Europe. We ensure fast shipping, competitive pricing, and no hidden fees so you can focus on what matters most—building your dream car.
The kit is engineered with durability and efficiency in mind, providing a stable fuel pressure supply under demanding driving conditions. Whether you're tuning for more power or maintaining consistent fuel flow, this regulator is a reliable component to trust.
Designed to fit perfectly with your WRX STi model, the Radium Engineering regulator integrates seamlessly with your existing fuel system, supporting enhanced throttle response and overall engine efficiency. Installation is straightforward, making it a great upgrade for both seasoned enthusiasts and professional workshops.
Experience the superior build quality and precision of Radium Engineering products, backed by the expertise of Tuningsupply, your trusted source for performance automotive parts across Europe. We ensure fast shipping, competitive pricing, and no hidden fees so you can focus on what matters most—building your dream car.
Customer reviews
Based on 160 reviews
Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















