1. Fuel Injection Parts Deals
  2. sku: 8743673057156631
  3. RADIUM 20-0577-02

RADIUM ENGINEERING 20-0577-02 Top Fuel Rails Ej Wrx/sti

fits model: Wrx, Sti. make: Subaru.

20-0577-02 Radium Engineering Top Feed Fuel Rails For Subaru Wrx/sti Ej-series

( Brand: Radium Engineering ), ( Manufacturer Part Number: 20-0577-02 ), ( Type: Auto )

Review RADIUM ENGINEERING Top Feed Fuel Rails Subaru Wrx/sti Ej series fits WRX STI

Introducing the Radium Engineering 20-0577-02 Top Fuel Rails for Subaru WRX and STI EJ-series engines. These high-performance fuel rails are meticulously crafted to deliver superior fuel pressure and distribution for enhanced engine performance.

The fuel rails are engineered with precision CNC machinery to ensure a perfect fit and finish for your Subaru engine. Their sleek design not only complements the aesthetic of your vehicle but also optimizes the fuel delivery system for improved combustion efficiency.

Constructed from 6061-T6 billet aluminum, these fuel rails offer unparalleled strength and durability. Their anodized finish not only provides a protective layer against corrosion but also adds a touch of elegance to your engine bay.

The Radium Engineering Top Fuel Rails come with two -6AN fuel inlets, allowing for easy integration with your fuel system. The rails are also designed to be used with both stock and aftermarket fuel pressure regulators.

These fuel rails are compatible with EJ20, EJ25, and FA20 engines found in Subaru WRX and STI models, making them a versatile upgrade for a wide range of Subaru enthusiasts.

Installing these fuel rails is a straightforward process, and they come with all necessary hardware for a hassle-free installation. With their superior fuel delivery capabilities and robust construction, the Radium Engineering 20-0577-02 Top Fuel Rails are an essential upgrade for any Subaru WRX or STI enthusiast looking to maximize their engine's performance.

Radium Engineering's 20-0577-02 top fuel rails are aftermarket performance parts designed for Subaru WRX and STI models with EJ-series engines. These fuel rails offer several potential benefits and drawbacks for enthusiasts looking to upgrade their fuel systems.

Pros:

1. Increased Fuel Delivery: Radium Engineering fuel rails provide a larger fuel delivery capacity compared to stock rails, allowing for increased fuel flow to the engine during high-performance driving.

2. Improved Fuel Pressure: The fuel rails can support higher fuel pressure, which can lead to more consistent and efficient fuel delivery to the engine.

3. Better Fit and Finish: Radium Engineering fuel rails are designed to be a direct replacement for stock fuel rails, with a more polished look and better overall fitment.

4. Compatibility with Aftermarket Parts: These fuel rails are compatible with a variety of aftermarket fuel pressure regulators and fuel pumps, making them a popular choice for high-performance builds.

Cons:

1. Higher Cost: Radium Engineering fuel rails are priced higher than stock fuel rails, making them a more significant investment for those looking to upgrade their fuel systems.

2. Installation Complexity: Installing aftermarket fuel rails can be a more complex process than swapping out stock parts, requiring additional tools and expertise.

3. Potential for Leaks: With any fuel system upgrade, there is a risk of leaks. Radium Engineering fuel rails are no exception, and proper installation and maintenance are essential to prevent fuel leaks.

Conclusion:

Radium Engineering's 20-0577-02 top fuel rails offer several benefits for Subaru WRX and STI enthusiasts looking to upgrade their fuel systems. These benefits include increased fuel delivery capacity, improved fuel pressure, better fit and finish, and compatibility with aftermarket parts. However, they also come with higher cost, installation complexity, and a potential risk of leaks. Ultimately, the decision to purchase these fuel rails depends on an individual's budget, installation capabilities, and desired performance gains.

Recommendation:

If you are an enthusiast looking to maximize your Subaru WRX or STI's performance potential and are willing to invest in a high-quality aftermarket fuel rail, Radium Engineering's 20-0577-02 top fuel rails are an excellent choice. However, if you are on a tighter budget or are not comfortable with the installation process, there may be more cost-effective or user-friendly alternatives available. It is essential to weigh the pros and cons carefully before making a decision.

part # 20057702 prices

  • $203.90-$212.74

specifications injectiopug:

  • for models: Wrx, Sti
  • for makes: Subaru
  • brand: Radium Engineering
  • manufacturer part number: 20-0577-02
  • type: Auto

returns injectiopug:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

seller injectiopug:

  • rating: 99.4%
  • # reviews: 12891

payments injectiopug:

  • credit card: Visa
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  • wallet: Google-pay

shipping injectiopug:

  • service: Standard
  • class: Standard
  • cost: $0.00
  • type: Fixed
  • transit: 3-6 Days

offer injectiopug:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • started: October 24, 2025
  • quantity: 1

general injectiopug:

  • condition: New
  • Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
for models: wrx, sti, for makes: subaru, type: auto,
category: auto parts > air fuel delivery > fuel injection parts > additional fuel injection parts, sku: 8743673057156631,

Radium Engineering 20-0577-02 Is Similar To:

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5 offers $203.90–$212.74 USD
  • Offer #1: $212.74 price + free delivery = $212.74* total. Radium Engineering Subaru WRX/STI EJ-Series Engines Top Feed Fuel Rails (w/ Top Port).FREE SHIPPING
  • Offer #2: $208.95 price + free delivery = $208.95* total. This fuel rail kit reduces fuel pulsation and improves throttle response, designed exclusively for AWD drivetrain vehicles. Includes OEM-style fuel rail pressure sensor port.FREE SHIPPING
  • Offer #3: $203.90 price + free delivery = $203.90* total. Crafted from CNC-machined aluminum and anodized for durability and corrosion resistance, these fuel rails feature an auxiliary port on the top surface, facilitating clearance in applications where AVCS components may cause space constraints.FREE SHIPPING
  • Offer #4: $208.95 price + free delivery = $208.95* total. Radium 20-1047 Fcst-X 3-Bolt Remote Mount Fill Neck, 24An Elbow, 1.5In Barb. RADIUM Engineering Fuel Injection Fuel Rail.FREE SHIPPING
  • Offer #5: $208.95 price + free delivery = $208.95* total. However, each fuel rail has an 8AN ORB "top port", unlike 20-0567-02 which has a center lower port. Black Anodized Laser Etched Aluminum Fuel Rails (x2).FREE SHIPPING