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Fulfillment From Multiple U.S. Warehouses
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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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Fuel Rails
Fuel rails are the backbone of your engine's fuel delivery system, distributing pressurized fuel evenly to each injector. Whether you're building a high-horsepower forced-induction setup, switching to ethanol, or simply replacing a corroded factory rail, upgrading to a quality aftermarket fuel rail can improve fuel flow consistency and support higher demands.
Our collection includes a range of fuel rails from trusted manufacturers, designed with performance and reliability in mind. Key features often found in these rails include:
- Billet aluminum construction for strength and corrosion resistance, often with a durable anodized finish
- Larger internal bores to reduce pressure drop and supply high-volume injectors
- Multiple inlet/outlet ports for flexible plumbing with aftermarket regulators, gauges, and return-style systems
- Precision-machined injector ports that accept standard or oversized O-rings for a leak-free seal
- Mounting brackets and hardware included in many kits for a straightforward bolt-on installation on popular intake manifolds
When selecting a fuel rail, consider your target power level, fuel type, and whether you're retaining the factory returnless system or converting to a return-style setup. Also verify injector height and port spacing to ensure compatibility with your manifold and injectors. If you're unsure which rail fits your build, our product listings include detailed specs and fitment notes to help you choose.
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The Radium Engineering Fuel Rail Upgrade provides a high-flow solution for Subaru EJ Version 1-6 engines transitioning to a top-feed injector configuration. These rails are engineered to replace restrictive factory fuel delivery components, offering a larger internal diameter to minimize pressure pulses and ensure consistent fuel volume during high-demand operation.
Precision CNC-machined from aluminum, these rails facilitate the conversion from older side-feed or standard setups to modern top-feed injectors, allowing for a wider selection of injector sizes and brands. This kit is essential for performance applications where fuel system reliability and overhead are critical.
- Fits Subaru EJ Engines (Versions 1-6)
- Specifically designed for top-feed fuel injector conversion
- Large internal bore for increased flow capacity and dampening
- High-strength CNC-machined construction
- Note: Fittings are not included and must be sourced separately
- Manufacturer Part Number: 20-0569-02
Fits select 2004-2006 Subaru Forester XT, Impreza WRX STI, and Legacy GT models.
The Radium Engineering Top Feed Fuel Rail Conversion Kit (MPN: 20-0568-02) provides a high-performance fueling solution for Subaru EJ-series engines. This kit is designed to convert the factory fuel delivery system to a modern top-feed configuration, allowing for the installation of a wider variety of high-flow performance injectors while improving fuel distribution and system volume.
- Replaces restrictive factory fuel rails with precision-machined performance components
- Enables the use of modern top-feed fuel injectors for higher flow capacity
- Specifically engineered for the EJ-series intake manifold and mounting points
- Includes necessary mounting hardware for a direct-fit installation
- Manufacturer Part Number: 20-0568-02
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2005 | Subaru | Forester | XT |
| 2005 | Subaru | Forester | XT Premium |
| 2004-2006 | Subaru | Impreza | WRX STI |
| 2005-2006 | Subaru | Legacy | GT |
| 2005 | Subaru | Legacy | GT Limited |
| 2006 | Subaru | Legacy | GT spec.B |
Fits select 2002-2014 Subaru Impreza, WRX, STI, and Legacy models with factory top-feed EJ engines.
The Radium Engineering Top Feed Fuel Rail Upgrade replaces restrictive factory fuel rails with high-volume, precision-machined aluminum components. Designed specifically for Subaru EJ engines that utilize top-feed injectors from the factory, these rails provide the increased fuel volume necessary to maintain stable pressure across all cylinders during high-performance applications.
Each rail is equipped with three 8AN ORB (O-Ring Boss) ports, allowing for versatile plumbing configurations including the addition of fuel pressure regulators, pulse dampers, or custom return lines. The large internal bore helps eliminate pressure drops and ensures consistent fuel delivery for high-horsepower builds.
- CNC-machined aluminum construction for maximum durability
- Large internal bore for high fuel flow capacity
- Three 8AN ORB ports per rail for flexible plumbing options
- Engineered for factory top-feed Subaru EJ-series engines
- Manufacturer Part Number: 20-0567-02
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2012-2014 | Subaru | Impreza | Limited |
| 2008-2011 | Subaru | Impreza | Outback Sport |
| 2012-2014 | Subaru | Impreza | Premium |
| 2012-2014 | Subaru | Impreza | Sport Premium |
| 2002-2014 | Subaru | Impreza | WRX |
| 2006-2007,2010-2014 | Subaru | Impreza | WRX Limited |
| 2009-2014 | Subaru | Impreza | WRX Premium |
| 2007-2014 | Subaru | Impreza | WRX STI |
| 2007,2011-2014 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
| 2006-2007 | Subaru | Impreza | WRX TR |
| 2010-2012 | Subaru | Legacy | 2.5GT |
| 2007-2009 | Subaru | Legacy | GT Limited |
| 2007-2009 | Subaru | Legacy | GT spec.B |
Fits select 1989-1994 Nissan Silvia S13 models equipped with the SR20DET engine.
The Radium Engineering Fuel Rail Kit 20-0558 is engineered to convert the factory S13 SR20DET fuel system from a side-feed injector setup to a high-performance top-feed configuration. This conversion allows for a significantly broader selection of modern, high-flow fuel injectors, making it an essential upgrade for forced induction or high-horsepower builds. CNC machined from 6061 billet aluminum, this rail provides superior strength and a precise fit against the intake manifold.
- CNC machined aluminum construction with a durable anodized finish
- Converts factory side-feed injectors to top-feed configuration
- Equipped with 8AN ORB (3/4-16) ports for versatile high-flow plumbing
- Large internal bore supports high-volume fuel delivery for performance applications
- Compatible with all fuel types including E85
- Includes necessary mounting hardware for a direct installation
- Manufacturer Part Number: 20-0558
Fits 2009-2021 Nissan GT-R (VR38DETT) models including Base, Premium, Black Edition, Nismo, Track Edition, and Pure.
This Radium Engineering fuel rail kit is engineered for high-performance VR38DETT builds requiring increased fuel flow and versatility. These rails feature a large internal bore to dampen pressure pulses and are fully compatible with all fuel types, including E85. Designed for a seamless installation, they are compatible with factory fuel injectors as well as aftermarket injectors that utilize a standard OEM fitment.
- CNC machined construction with 8AN ORB ports on both ends
- E85 and alcohol fuel compatible internal surfaces
- Designed for OEM-length injectors with 14mm top o-rings
- Includes two (2) fuel rails and all necessary mounting hardware
- Manufacturer Part Number: 20-0556-02
Vehicle Fitment:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2010 | Nissan | GT-R | Base |
| 2009-2021 | Nissan | GT-R | Premium |
| 2012-2016 | Nissan | GT-R | Black Edition |
| 2014-2015, 2018-2020 | Nissan | GT-R | Track Edition |
| 2015-2021 | Nissan | GT-R | Nismo |
| 2018-2019 | Nissan | GT-R | Pure |
| 2020 | Nissan | GT-R | 50th Anniversary Edition |
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020 | Nissan | GT-R | 50th Anniversary Edition |
| 2009-2010 | Nissan | GT-R | Base |
| 2012-2016 | Nissan | GT-R | Black Edition |
| 2015-2021 | Nissan | GT-R | Nismo |
| 2009-2021 | Nissan | GT-R | Premium |
| 2018-2019 | Nissan | GT-R | Pure |
| 2014-2015,2018-2020 | Nissan | GT-R | Track Edition |
This Radium Engineering fuel rail plumbing kit is specifically engineered to adapt Radium Engineering fuel rails to the factory GM fuel supply lines on LSA and LS9 engines. It eliminates the need for custom fabrication by providing a direct, high-pressure connection between aftermarket rails and the OE fuel system.
- Designed for seamless integration with Radium Engineering fuel rails
- Connects factory fuel lines directly to the rail assembly
- Precision-machined fittings for a leak-free, secure seal
- Durable finish for long-term resistance against fuel additives
- Manufacturer Part Number: 20-0545
By using this plumbing kit, installers can maintain the reliability of the factory quick-disconnect fuel line while benefiting from the increased volume and port options provided by Radium fuel rails.
Fits Nissan RB25DET Neo engines.
This Radium Engineering fuel rail provides a direct bolt-on solution for the Nissan RB25DET Neo, engineered to support increased fuel flow demands for high-performance builds. By replacing the restrictive factory unit with a larger internal bore, this rail helps dampen fuel pressure pulses and ensures consistent delivery across all injectors.
The rail features 8AN ORB (3/4-16 female) ports on both ends to accommodate various plumbing configurations, whether you are running a dead-end or return-style fuel system. The mounting tabs are designed for a precise fit to the factory intake manifold points using the included hardware.
- Large internal bore for maximum fuel volume
- Dual 8AN ORB inlet and outlet ports
- Precision machined for a leak-free bolt-on installation
- Includes necessary mounting hardware and spacers
- Manufacturer Part Number: 20-0537
Please note: Adapter fittings for the 8AN ORB ports are sold separately to allow for custom fuel line integration.
This Radium Engineering fuel line plumbing kit provides a direct, bolt-in solution for installing the Radium 20-0533 fuel rail on early Mitsubishi 4G63 engines. It simplifies the plumbing process by providing the specific adapters and hoses required to integrate the high-flow rail into the vehicle's fuel system with professional-grade reliability.
Designed for a seamless installation, this kit replaces the restrictive factory hardware with high-quality fittings that maintain proper fuel flow. A key feature of the 20-0533-PK is the inclusion of specialized components that allow the installer to retain and re-use the OEM fuel pressure regulator, ensuring factory-like pressure control with the benefits of a high-volume fuel rail.
- Fits early Mitsubishi 4G63 engines
- Engineered specifically for use with Radium Fuel Rail part number 20-0533
- Includes all necessary AN fittings, hose, and adapters for a complete installation
- Allows for the retention of the factory fuel pressure regulator
- Direct bolt-in installation with no custom fabrication required
- Manufacturer Part Number: 20-0533-PK
Fits early Mitsubishi 4G63 engines in DSM applications.
The Radium High-Flow Billet Fuel Rail (MPN 20-0533-02) is designed for high-performance builds requiring increased fuel volume and plumbing flexibility. Machined from 6061-T6 billet aluminum, this rail features a large internal bore to dampen pressure pulses and support high fuel flow demands without the flow restrictions of the factory component.
- CNC machined billet aluminum construction for maximum durability
- Dual 8AN high-flow ports to accommodate various plumbing configurations
- Fully compatible with E85, ethanol, and all gasoline fuel types
- Direct bolt-on installation to factory mounting points
- Black anodized finish for superior corrosion resistance and longevity
This rail provides the necessary fuel volume for modified engines while maintaining a secure, leak-free connection to the injectors.
This Radium Engineering fuel rail plumbing kit is designed specifically for Mazda MZR and Ford Duratec engines. It serves as a critical bridge between aftermarket performance and factory reliability by allowing a Radium fuel rail to connect directly to the vehicle's stock fuel feed line.
Ideal for enthusiasts seeking a clean, professional installation without the complexity of fabricating custom fuel hoses, this kit ensures a secure, leak-free connection. By utilizing this plumbing solution, you maintain the ease of serviceability provided by standard OE-style connections while benefiting from the increased flow capacity of an upgraded fuel rail.
- Designed for Mazda MZR and Ford Duratec engine platforms
- Allows the Radium MZR fuel rail to utilize the stock factory fuel connection
- Simplifies installation by eliminating the need for custom fuel line fabrication
- Engineered for high-pressure fuel system compatibility and leak-free performance
- Manufacturer Part Number: 20-0503-PK
Fits Mazda MZR and Ford Duratec 4-cylinder engines.
The Radium Engineering high-flow fuel rail (MPN: 20-0503-02) is designed for the 4-cylinder Mazda MZR and Ford Duratec engine platforms. This component is CNC machined for precise fitment and maximum flow, serving as a direct upgrade for performance applications requiring robust fuel delivery.
This rail features four 8AN ORB (3/4-16 female) ports, allowing for versatile plumbing configurations and the easy addition of fuel accessories such as pressure sensors or pulse dampers. It is engineered to bolt directly to the factory mounting points without requiring permanent modifications to the engine or chassis. The design maintains compatibility with stock fuel injectors as well as aftermarket injectors that share the same fitment specs.
- CNC machined construction for superior durability and tolerances
- Four 8AN ORB ports for flexible fuel system plumbing
- Direct bolt-on installation with factory hardware compatibility
- Replaces restrictive factory fuel rails
- Compatible with OEM and matching aftermarket injectors
- Manufacturer Part Number: 20-0503-02
Fits 2008-2013 Infiniti G37 and 2009-2018 Nissan 370Z (VQ35HR / VQ37VHR).
This Radium Engineering plumbing kit provides a direct, bolt-on solution for connecting Radium aftermarket fuel rails to the factory fuel feed line. Engineered to maintain high-pressure integrity, this kit simplifies fuel system upgrades by eliminating the need for custom line fabrication. It utilizes high-quality adapter fittings and hoses designed specifically for the VQ35HR and VQ37VHR engine platforms.
- Specifically designed for Radium VQ-series fuel rails
- Connects aftermarket rails to the OEM fuel feed line
- Complete kit includes all necessary adapter fittings and hoses
- Retains factory fuel system architecture where possible
- Manufacturer Part Number: 20-0469
Vehicle Fitment:
- 2008-2013 Infiniti G37 (Base, IPL, Journey, Sport, X)
- 2009-2018 Nissan 370Z (Base, Nismo, Sport, Touring, 40th Anniversary, Heritage Edition)
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2013 | INFINITI | G37 | Base |
| 2011-2013 | INFINITI | G37 | IPL |
| 2008-2013 | INFINITI | G37 | Journey |
| 2008-2013 | INFINITI | G37 | Sport |
| 2009-2013 | INFINITI | G37 | X |
| 2010 | Nissan | 370Z | 40th Anniversary Edition |
| 2009-2018 | Nissan | 370Z | Base |
| 2018 | Nissan | 370Z | Heritage Edition |
| 2009-2017 | Nissan | 370Z | Nismo |
| 2015-2018 | Nissan | 370Z | Nismo Tech |
| 2015-2018 | Nissan | 370Z | Sport |
| 2015-2018 | Nissan | 370Z | Sport Tech |
| 2009-2018 | Nissan | 370Z | Touring |
| 2015-2018 | Nissan | 370Z | Touring Sport |
Fits 2003-2009 Nissan 350Z and 2003-2008 Infiniti G35 models equipped with the VQ35DE engine.
The Radium Engineering Fuel Rail Plumbing Kit (MPN 20-0468) provides a direct, bolt-on solution for connecting Radium VQ fuel rails to the vehicle's factory fuel feed line. This kit eliminates the need for custom hose fabrication and sourcing individual adapters, ensuring a reliable, leak-free connection using high-quality components designed for the rigors of high-performance fuel systems.
- Specifically designed for Radium Nissan VQ35DE fuel rails
- Connects directly to the OEM factory fuel feed line
- Includes all necessary adapter fittings and pre-assembled hoses
- Engineered for high-flow compatibility and secure sealing
- Manufacturer Part Number: 20-0468
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005 | Nissan | 350Z | 35th Anniversary Edition |
| 2003-2008 | Nissan | 350Z | Base |
| 2003-2008 | Nissan | 350Z | Enthusiast |
| 2005-2008 | Nissan | 350Z | Grand Touring |
| 2007-2008 | Nissan | 350Z | Nismo |
| 2003-2005 | Nissan | 350Z | Performance |
| 2003-2008 | Nissan | 350Z | Touring |
| 2003-2006 | Nissan | 350Z | Track |
Fits 1993-1995 Mazda RX-7 (equipped with 20B-REW 3-rotor engine swaps).
The Radium Engineering high-flow secondary fuel rail is engineered specifically for the 20B-REW rotary engine. Designed with a large internal bore, this rail supports the fuel volume required for high-horsepower builds while ensuring consistent delivery across the secondary ports. It is precision-machined from 6061 aluminum and finished with a black anodized coating for full compatibility with all fuel types, including E85 and alcohol-based blends.
This component converts the secondary fuel system to accommodate modern top-feed fuel injectors, allowing for more precise tuning and higher flow rates than the original setup. Please note that injectors are not included.
- Precision machined 6061 aluminum construction
- Black anodized finish for E85 and alcohol fuel compatibility
- Large internal bore to maximize flow capacity and dampen pulses
- Converts secondary ports to top-feed injector fitment
- Directly fits 20B-REW engines found in 1990-1995 Cosmo and custom swaps
- Manufacturer Part Number: 20-0465
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1995 | Mazda | RX-7 | Base |
| 1993 | Mazda | RX-7 | R1 |
| 1994-1995 | Mazda | RX-7 | R2 |
| 1993-1995 | Mazda | RX-7 | Touring |
Fits select 2003-2018 Nissan 350Z/370Z and Infiniti G35/G37 models equipped with 3.5L or 3.7L VQ-series engines.
This Radium Engineering fuel rail kit is designed for high-performance fueling requirements, providing a significantly larger internal bore than the factory equipment to support increased flow and dampen pressure pulses. Each rail is CNC-machined from 6061 aluminum, black anodized for corrosion resistance and compatibility with all fuel types (including E85), and laser engraved with the Radium logo. The kit features four 8AN ORB (3/4-16 female) ports per rail—two on the top and one at each end—offering versatile plumbing options for complex fuel systems.
- Bore diameter is designed to minimize fuel pressure fluctuations
- Four 8AN ORB ports per rail for maximum configuration flexibility
- High-grade black anodized finish for durability and fuel compatibility
- Includes two fuel rails and all necessary mounting hardware
- Manufacturer Part Number: 20-0458
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2008 | INFINITI | G35 | Base |
| 2007-2008 | INFINITI | G35 | Journey |
| 2007-2008 | INFINITI | G35 | Sport |
| 2004-2008 | INFINITI | G35 | X |
| 2008-2013 | INFINITI | G37 | Base |
| 2011-2013 | INFINITI | G37 | IPL |
| 2008-2013 | INFINITI | G37 | Journey |
| 2008-2013 | INFINITI | G37 | Sport |
| 2009-2013 | INFINITI | G37 | X |
| 2005 | Nissan | 350Z | 35th Anniversary Edition |
| 2003-2008 | Nissan | 350Z | Base |
| 2003-2009 | Nissan | 350Z | Enthusiast |
| 2005-2009 | Nissan | 350Z | Grand Touring |
| 2007-2008 | Nissan | 350Z | Nismo |
| 2003-2005 | Nissan | 350Z | Performance |
| 2003-2009 | Nissan | 350Z | Touring |
| 2003-2006 | Nissan | 350Z | Track |
| 2010 | Nissan | 370Z | 40th Anniversary Edition |
| 2009-2018 | Nissan | 370Z | Base |
| 2018 | Nissan | 370Z | Heritage Edition |
| 2009-2017 | Nissan | 370Z | Nismo |
| 2015-2018 | Nissan | 370Z | Nismo Tech |
| 2015-2018 | Nissan | 370Z | Sport |
| 2015-2018 | Nissan | 370Z | Sport Tech |
| 2009-2018 | Nissan | 370Z | Touring |
| 2015-2018 | Nissan | 370Z | Touring Sport |
Fits 1993-1995 Mazda RX-7 models equipped with the 13B-REW rotary engine.
The Radium Engineering high-flow secondary fuel rail is designed for high-performance 13B-REW builds that require precision fuel delivery. This rail converts the secondary fuel system to accept top-feed fuel injectors, significantly expanding your options for high-flow injector upgrades. CNC machined from aluminum and finished with a durable black anodized coating, it is fully compatible with all common fuel types, including E85 and alcohol-based blends.
Designed with a large internal bore, this fuel rail supports extreme power levels by minimizing pressure drops and ensuring consistent fuel volume. Each rail is supplied with the necessary injector seats to complete the conversion process.
- Manufacturer Part Number: 20-0447
- Material: CNC machined aluminum, black anodized finish
- Bore: Large internal diameter for high-flow capacity
- Fuel Compatibility: Safe for gasoline, E85, and alcohol fuels
- Includes: Secondary fuel rail and injector seats
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1995 | Mazda | RX-7 | Base |
| 1993 | Mazda | RX-7 | R1 |
| 1994-1995 | Mazda | RX-7 | R2 |
| 1993-1995 | Mazda | RX-7 | Touring |
Fits 1993-1995 Mazda RX-7 models (13B-RE engine conversions).
The Radium Engineering high-flow secondary fuel rail is designed specifically for the 13B-RE rotary engine, originally found in the 1990-1995 Mazda/Eunos Cosmo. This rail is CNC-machined from aluminum and features a large internal bore to support the high-volume fuel demands of performance-built rotary engines. Like the factory secondary rail, it is designed with 11mm injector bores to permit the use of OEM fuel injectors or equivalent upgrades.
To ensure long-term reliability and compatibility with modern fuels, the rail is finished in a type II black anodized coating. This provides a durable barrier against corrosion and makes it fully compatible with all popular fuel types, including E85.
- Large internal bore reduces pressure drops and supports high-horsepower builds
- 11mm injector bores compatible with OEM-spec injectors
- Type II black anodized finish for E85 and alcohol fuel compatibility
- Direct fit for the 13B-RE secondary intake manifold
- Manufacturer Part Number: 20-0446
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1995 | Mazda | RX-7 | Base |
| 1993 | Mazda | RX-7 | R1 |
| 1994-1995 | Mazda | RX-7 | R2 |
| 1993-1995 | Mazda | RX-7 | Touring |
Designed for the K20C1 engine, the Radium Engineering Port Injection Kit provides a reliable solution for adding secondary fueling capacity to the 2017-2020 Honda Civic Type R. This kit is essential for high-horsepower builds where the factory direct injection system reaches its flow limit.
The CNC-machined adapter plate installs directly between the intake manifold and the cylinder head, allowing for precise fuel delivery via four additional port injectors. The kit includes a Radium Engineering high-flow fuel rail to ensure consistent pressure and volume across all cylinders.
- Fits 2017-2020 Honda Civic Type R (K20C1)
- Installs between the intake manifold and cylinder head
- Includes high-flow fuel rail for secondary fueling
- CNC-machined for precise fitment and sealing
- Injectors and controller sold separately
- Manufacturer Part Number: 20-0428
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2020 | Honda | Civic | Type R |
Fits 1999-2005 Mazda Miata (Base, LS, Mazdaspeed, SE, 10th Anniversary, Shinsen).
The Radium Engineering fuel rail plumbing kit provides a direct, bolt-on solution for upgrading the fuel delivery system on second-generation (NB) Miatas. This kit is specifically designed to work in conjunction with a Radium Engineering fuel rail, facilitating a seamless transition from factory rubber lines to high-performance plumbing. Unlike many aftermarket solutions that require complex regulator setups, this kit allows you to retain the reliable OEM fuel pressure regulator for a straightforward, plug-and-play installation.
- Complete replacement for factory feed and return hoses
- Direct bolt-on compatibility with Radium Engineering fuel rails
- Engineered to retain the factory fuel pressure regulator (FPR)
- High-quality fittings and lines for improved durability and fuel flow
- Manufacturer Part Number: 20-0423
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999 | Mazda | Miata | 10th Anniversary |
| 1999-2005 | Mazda | Miata | Base |
| 2000-2005 | Mazda | Miata | LS |
| 2004-2005 | Mazda | Miata | Mazdaspeed |
| 2000-2003 | Mazda | Miata | SE |
| 2003 | Mazda | Miata | Shinsen |
Fits 1994-1997 Mazda Miata (Base, M Edition, and STO).
The Radium Engineering Fuel Rail Plumbing Kit (MPN: 20-0422) is an essential upgrade for owners looking to modernize the fuel delivery system on their NA-chassis MX-5. This kit specifically replaces the factory feed and return hoses with high-quality plumbing components while allowing you to retain the original equipment (OEM) fuel pressure regulator. By integrating with the factory regulator, this kit provides a streamlined installation that improves reliability and serviceability without the immediate need for an external aftermarket regulator.
- Replaces original equipment feed and return fuel hoses
- Retains factory fuel pressure regulator for simplified setup
- Designed specifically for the 1.8L NA Miata chassis
- Manufacturer Part Number: 20-0422
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1994-1997 | Mazda | Miata | Base |
| 1994-1997 | Mazda | Miata | M Edition |
| 1997 | Mazda | Miata | STO |
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1994-1997 | Mazda | Miata | Base |
| 1994-1997 | Mazda | Miata | M Edition |
| 1997 | Mazda | Miata | STO |
Fits 2006-2009 Honda S2000 Base and CR models.
This Radium Engineering fuel rail is a high-flow solution designed for the S2000 platform, featuring three 8AN ORB (3/4-16 female) ports to provide versatile plumbing options for fuel feed, return, and accessories like pulse dampers or gauges. CNC machined from 6061 aluminum and finished with a durable anodized coating, this rail is engineered to survive the rigors of high-performance use while maintaining compatibility with OEM fuel injectors.
- CNC machined 6061 aluminum construction
- Black anodized and laser etched finish for corrosion resistance
- Three 8AN ORB ports for flexible plumbing configurations
- Specifically designed for OEM injector fitment
- Includes stainless steel mounting hardware
- Manufacturer Part Number: 20-0391-02
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2009 | Honda | S2000 | Base |
| 2008-2009 | Honda | S2000 | CR |
Fits select 1999-2009 Subaru Forester, Impreza, Legacy, and Outback models.
The Radium Engineering Top Feed Fuel Rail Adapter (MPN: 20-0372) is a precision-engineered mounting bracket set designed to facilitate the installation of Radium top-feed fuel rails onto specific Subaru intake manifolds. These adapters provide a secure interface between the factory manifold mounting points and aftermarket fuel delivery components, ensuring proper injector alignment and rail stability.
- CNC machined from high-grade aluminum for precise tolerances and durability
- Permits the use of Radium top-feed fuel rails (such as 20-0577, sold separately)
- Engineered specifically for SUBARU EJ207 (JDM Ver 8/9 Manifold only)
- Compatible with SUBARU EJ253 (Aluminum Manifold only)
- Fits all versions of the SUBARU EJ259 manifold
- Replaces restrictive factory mounting hardware with a high-performance solution
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999 | Subaru | Forester | Base |
| 1999 | Subaru | Forester | L |
| 1999 | Subaru | Forester | S |
| 2008 | Subaru | Forester | Sports 2.5 X |
| 2008 | Subaru | Forester | Sports 2.5 XT |
| 2005-2009 | Subaru | Forester | X |
| 2006-2008 | Subaru | Forester | X L.L. Bean Edition |
| 2009 | Subaru | Forester | X Limited |
| 2009 | Subaru | Forester | X Premium |
| 2005 | Subaru | Forester | XS |
| 2005 | Subaru | Forester | XS L.L. Bean Edition |
| 2005,2009 | Subaru | Forester | XT |
| 2006-2009 | Subaru | Forester | XT Limited |
| 2005 | Subaru | Forester | XT Premium |
| 2009 | Subaru | Impreza | 2.5 GT |
| 2006-2009 | Subaru | Impreza | 2.5i |
| 1999-2001 | Subaru | Impreza | L |
| 1999-2001,2004 | Subaru | Impreza | Outback |
| 2005-2009 | Subaru | Impreza | Outback Sport |
| 1999-2001,2004-2005 | Subaru | Impreza | RS |
| 2004 | Subaru | Impreza | TS |
| 2004-2009 | Subaru | Impreza | WRX |
| 2006-2007 | Subaru | Impreza | WRX Limited |
| 2009 | Subaru | Impreza | WRX Premium |
| 2004-2009 | Subaru | Impreza | WRX STI |
| 2007 | Subaru | Impreza | WRX STI Limited |
| 2006-2007 | Subaru | Impreza | WRX TR |
| 2004-2005 | Subaru | Legacy | GT |
| 2005 | Subaru | Legacy | GT Limited |
| 2005 | Subaru | Legacy | i |
| 2004 | Subaru | Legacy | L |
| 2004 | Subaru | Legacy | L 35th Anniversary |
| 2005 | Subaru | Legacy | Limited |
| 2005 | Subaru | Outback | i |
| 2005 | Subaru | Outback | Limited |
| 2005 | Subaru | Outback | R |
| 2005 | Subaru | Outback | R L.L. Bean Edition |
| 2005 | Subaru | Outback | VDC Limited |
| 2005 | Subaru | Outback | XT |
| 2005 | Subaru | Outback | XT Limited |
This Radium Engineering fuel rail is a high-performance, bolt-in solution specifically designed for the non-turbo Toyota 2JZ-GE engine. Precision CNC machined from aluminum and finished with a durable anodizing, this rail provides the increased fuel volume and plumbing flexibility required for high-horsepower builds and modern EFI conversions.
Engineered for maximum versatility, the rail features four -8AN ORB (O-Ring Boss) ports to accommodate various plumbing configurations, including feed, return, and fuel pulse damper or gauge integration. The assembly is fully compatible with all fuel types, including E85 and other alcohol-based fuels.
- Precision CNC machined aluminum construction for maximum durability
- Large internal bore to support high-flow fuel requirements
- Four -8AN ORB ports for flexible plumbing options
- Fully compatible with E85 and corrosive fuels
- Direct bolt-in fitment for non-turbo 2JZ-GE intake manifolds
- Manufacturer Part Number: 20-0371
The Radium Engineering Honda B-Series Fuel Rail (MPN: 20-0370-02) is designed for high-performance builds requiring increased fuel flow and system flexibility. This rail is CNC machined from 6061 aluminum and features a large internal bore to support high-horsepower demands while dampening fuel pressure pulses. The entire assembly is anodized for corrosion resistance and is fully compatible with all fuel types, including E85.
This rail features 8AN ORB (3/4-16 O-ring) female ports on each end, allowing for custom plumbing of feed and return lines. It also includes an additional 1/8-inch NPT top port, ideal for a fuel pressure gauge or a Radium Fuel Pulse Damper. It installs directly to the factory mounting points and is compatible with both OEM and aftermarket injectors.
- Fits select 1990-2001 Acura Integra, Honda Civic Si, Civic del Sol VTEC, and CR-V models.
- CNC machined 6061 aluminum construction.
- Anodized finish for E85 and alcohol-based fuel compatibility.
- Dual 8AN ORB female inlet/outlet ports.
- Additional 1/8-inch NPT port for gauges or pulse dampers.
- Manufacturer Part Number: 20-0370-02.
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1993,1997-2001 | Acura | Integra | GS |
| 1994-2001 | Acura | Integra | GS-R |
| 1990-2001 | Acura | Integra | LS |
| 1990-1998 | Acura | Integra | RS |
| 1995-1996 | Acura | Integra | Special Edition |
| 1997-1998,2000-2001 | Acura | Integra | Type R |
| 1999-2000 | Honda | Civic | Si |
| 1994-1997 | Honda | Civic del Sol | VTEC |
| 1998 | Honda | CR-V | EX |
| 1997-1998 | Honda | CR-V | LX |
Fits all 1994-2005 Mazda Miata MX-5 models, including Base, LS, Mazdaspeed, M Edition, SE, and 10th Anniversary editions. This Radium Engineering high-flow fuel rail (20-0369) provides the increased fuel volume and delivery consistency required for high-performance NA and NB chassis builds.
- CNC machined construction for precise fitment and lasting durability
- Increases fuel rail volume to support higher horsepower applications
- Compatible with factory and many aftermarket high-performance fuel injectors
- Designed to replace the restrictive OE fuel rail on 1.8L engines
- Manufacturer Part Number: 20-0369
Engineered for enthusiasts who demand reliable fuel delivery, this rail integrates seamlessly with the Miata's fuel system. Detailed installation instructions are available through the manufacturer at RadiumAuto.com.
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999 | Mazda | Miata | 10th Anniversary |
| 1994-1997,1999-2005 | Mazda | Miata | Base |
| 2000-2005 | Mazda | Miata | LS |
| 1994-1997 | Mazda | Miata | M Edition |
| 2004-2005 | Mazda | Miata | Mazdaspeed |
| 2000-2003 | Mazda | Miata | SE |
| 2003 | Mazda | Miata | Shinsen |
| 1997 | Mazda | Miata | STO |
Fits select 2009-2015 Cadillac CTS-V, Chevrolet Camaro ZL1, and Corvette ZR1 (LS9/LSA engines).
Radium Engineering high-flow fuel rails are engineered for performance-driven GM LS9 and LSA supercharged engines. These rails provide a necessary upgrade for enthusiasts looking to improve fuel system capacity and stability. Each rail is precision-machined with a large internal bore to minimize pressure drops and dampen pulses, ensuring consistent fuel delivery across all injectors even under high-load conditions.
- Specifically designed for GM LS9 and LSA supercharged engine platforms
- High-flow internal bore design reduces turbulence and pressure fluctuations
- Direct-fit replacement for restrictive factory fuel rails
- Durable construction suitable for high-pressure fuel systems and E85 compatibility
- Manufacturer Part Number: 20-0362
These fuel rails are designed for easy integration into custom or upgraded fuel systems. Detailed installation instructions are available via the manufacturer's website to ensure proper fitment and leak-free operation.
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2015 | Cadillac | CTS | V |
| 2014-2015 | Cadillac | CTS | Vsport |
| 2014-2015 | Cadillac | CTS | Vsport Premium |
| 2012-2015 | Chevrolet | Camaro | ZL1 |
| 2009-2013 | Chevrolet | Corvette | ZR1 |
Fits 1995-1998 Nissan 240SX (Base, LE, SE) equipped with SR20DET engines.
The Radium Engineering fuel rail kit provides a high-volume fuel delivery solution for the Nissan SR20DET platform. Designed for high-performance applications, this fuel rail features a large internal bore to dampen pressure pulses and ensure consistent fuel flow to every injector. This kit is essential for enthusiasts upgrading their fuel system to support higher boost levels and increased horsepower.
- Precision CNC-machined for exact fitment on S14 and S15 style SR20DET engines
- Includes high-strength stainless steel mounting hardware for long-term durability
- Includes an idle motor spacer kit to ensure necessary clearance with the intake manifold
- Designed to replace the restrictive factory fuel rail in high-performance builds
- Manufacturer Part Number: 20-0359
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1995-1998 | Nissan | 240SX | Base |
| 1997-1998 | Nissan | 240SX | LE |
| 1995-1998 | Nissan | 240SX | SE |
Engineered for high-horsepower Nissan SR20VE applications, the Radium Engineering Fuel Rail (20-0331) replaces the restrictive factory rail with a high-volume, large-bore solution. This rail is designed to stabilize fuel pressure and ensure consistent delivery across all cylinders, making it an essential upgrade for forced induction or high-output naturally aspirated builds.
Each rail is CNC machined from 6061-T6 aluminum and finished with a durable black anodized coating for full compatibility with gasoline, ethanol, and E85 fuels. The large internal bore reduces pressure pulses while the -8 AN ORB ports at both ends provide flexible plumbing options for custom fuel systems.
- Fits Nissan SR20VE engines
- CNC machined 6061-T6 aluminum construction
- Black anodized finish for corrosion resistance and E85 compatibility
- Large internal bore for maximum flow and pressure dampening
- Features -8 AN ORB threaded ports
- Includes stainless steel mounting hardware
- Manufacturer Part Number: 20-0331
Fits 2013-2017 Ford Focus ST, 2016-2017 Focus RS, and 2015-2017 Mustang EcoBoost.
The Radium Engineering Port Injection Kit (MPN: 20-0326) provides an auxiliary fueling solution for Ford EcoBoost engines that have exceeded the flow capacity of the factory direct injection system. This kit allows for the addition of secondary port injectors to satisfy the higher fuel demands of increased boost levels and ethanol-based fuels.
- Specifically engineered for the Ford Focus ST, Focus RS, and Mustang EcoBoost platforms
- Enables secondary fuel delivery to supplement the OE direct injection system
- Essential for high-horsepower builds requiring precise fuel management
- Includes the necessary components for integration with the intake manifold
- Manufacturer Part Number: 20-0326
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2017 | Ford | Focus | RS |
| 2013-2017 | Ford | Focus | ST |
| 2015-2017 | Ford | Mustang | EcoBoost |
| 2015-2017 | Ford | Mustang | EcoBoost Premium |
The Radium Engineering Top Feed Fuel Rail Kit for the Nissan RB25DET is a high-performance upgrade designed to replace the factory fuel rail, enabling the use of modern top-feed fuel injectors. This conversion is essential for high-horsepower builds requiring increased fuel volume and more precise injector options than the stock side-feed configuration allows.
CNC machined from 6061-T6 aluminum, this fuel rail features a large internal bore that significantly increases flow capacity and helps dampen pressure pulses for more stable fueling. The rail is finished in a durable black anodized coating for maximum corrosion resistance and a professional look under the hood.
- Fits Nissan RB25DET engines
- Machined from 6061-T6 aluminum with black anodized finish
- Large internal bore supports high-horsepower fuel requirements
- Threaded with 3/4-16 (-8AN ORB) ports at both ends for flexible plumbing
- Center 1/8" NPT port for fuel pressure sensors or gauges
- Includes stainless steel mounting hardware and phenolic spacers
- Manufacturer Part Number: 20-0277
This kit includes the fuel rail and mounting hardware required for installation on the factory intake manifold. Fuel injectors, fittings, and lines are sold separately.
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