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Radium Engineering Top Feed Fuel Rails | Subaru WRX / STI EJ-Series (20-0577-02)

Radium Engineering Top Feed Fuel Rails | Subaru WRX / STI EJ-Series (20-0577-02)

SKU:20-0577-02

In stock

Regular price $208.95 USD
Regular price $219.95 USD Sale price $208.95 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Radium Engineering Subaru WRX/STI EJ-Series Engines Top Feed Fuel Rails with Top Port are high-performance fuel delivery components designed for Subaru turbocharged engines. 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. They are engineered to support top-feed injectors from the factory, ensuring precise fuel delivery and compatibility with high-performance fueling setups. The design enhances fuel flow stability and reduces pressure fluctuations, contributing to improved engine response and tuning flexibility. These fuel rails are suitable for demanding street and track applications, offering a reliable upgrade over stock components for enthusiasts seeking optimal fuel delivery.

Compatible with Subaru WRX and STI models equipped with EJ-series engines, these fuel rails are ideal for applications requiring top-feed injectors and auxiliary port access. They fit engine models from 2002 to 2021 and are suitable for use with E85 fuel, thanks to their corrosion-resistant anodized finish. Installation involves direct bolt-on replacement of stock fuel rails, making them suitable for both professional tuners and experienced DIY enthusiasts. The kit includes the fuel rails and necessary mounting hardware, providing a straightforward upgrade path for increased fuel capacity and improved injector compatibility. Designed for performance tuning, racing, or high-horsepower builds, these fuel rails ensure consistent fuel delivery under demanding conditions.

Overview

Radium Engineering Top Feed Fuel Rails

Fits Subaru WRX and STI EJ-Series Engines

Part #: 20-0577-02

Overview

The Radium Engineering Subaru WRX/STI EJ-Series Engines Top Feed Fuel Rails are a high-performance upgrade designed for enthusiasts seeking reliable fuel delivery and optimal clearance in tight engine bay spaces. Crafted with precision CNC machining, these fuel rails are built to withstand demanding conditions and support high-performance applications. They are ideal for those who want to enhance fuel system efficiency, especially in setups utilizing top-feed injectors or E85 fuel. Whether you're building a race-ready machine or upgrading for increased durability, these fuel rails provide a robust solution for your Subaru EJ engine.

Key Features

Designed for durability and precision, these fuel rails feature anodized aluminum construction for corrosion resistance and lightweight strength. The top port configuration allows for easier installation in applications with clearance issues around AVCS components. Compatible with E85 fuel, they support high-performance fueling needs. The CNC-machined finish ensures a perfect fit and consistent flow, helping to improve fuel atomization and delivery. The rails are engineered to match factory specifications for a seamless upgrade.

Construction & Design

Constructed from high-quality aluminum with CNC machining, these fuel rails are anodized for added corrosion resistance and durability. The top port design is specifically engineered to accommodate applications with limited clearance, making them versatile for various Subaru WRX/STI builds. The precision machining ensures a perfect fit and consistent fuel flow, supporting high-performance fueling systems.

Installation & Fitment

These fuel rails are designed for straightforward installation on Subaru WRX and STI EJ-Series engines. They are compatible with factory and aftermarket top-feed injectors, making them an ideal upgrade for custom fuel setups. Proper fitment ensures reliable fuel delivery and helps maintain engine performance.

What’s Included

The package includes the CNC-machined top feed fuel rails with top port configuration, ready for installation on compatible Subaru EJ engines. Hardware and fittings are not included and may need to be sourced separately.

Ideal For

This product is perfect for Subaru enthusiasts upgrading their fuel system for increased performance, those running high-flow or E85 injectors, and anyone needing a reliable, clearance-friendly fuel rail solution for EJ-series engines.
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