Fits 1986-1992 Toyota Supra (Base and Turbo) models equipped with the 1JZ-GTE non-VVTi engine.

The Radium Engineering Top Feed Fuel Rail is a critical upgrade for enthusiasts looking to extract more power from the 1JZ-GTE non-VVTi engine. Designed to replace the restrictive factory fuel rail, this component allows for the installation of high-flow top-feed fuel injectors. CNC-machined for precise fitment, it features a large internal bore that helps dampen pressure pulses and ensures consistent fuel delivery across all cylinders even under high-demand conditions.

• Engine Compatibility: Toyota 1JZ-GTE (non-VVTi only)
• Direct fit for top-feed injector conversions or upgrades
• Large internal bore for increased fuel volume and flow stability
• Precision CNC-machined construction
• Manufacturer Part Number: 20-0235

Designed for GM LS1, LS2, LS3, LS6, L76, and L99 engines, this Radium Engineering plumbing kit (20-0232-PK) provides the necessary hardware to integrate Radium fuel rails with your vehicle's factory fuel delivery system.

This kit simplifies the plumbing process by providing all the components required to bridge the driver and passenger side fuel rails and establish a secure connection to the OEM feed line. Using application-specific adapters, it eliminates the need for custom fabrication and ensures a leak-free, high-pressure seal suitable for performance applications. It is an essential solution for technicians and enthusiasts looking for a clean, professional fuel system installation.

• Engine Compatibility: GM LS1, LS2, LS3, LS6, L76, and L99
• Application: Specifically for use with Radium Engineering fuel rails
• Function: Connects rails together and to the factory fuel supply line
• Included: All necessary adapter fittings and high-pressure plumbing
• Manufacturer Part Number: 20-0232-PK

Fits 2002-2006 Acura RSX Base and Type-S models equipped with K-Series engines.

The Radium Engineering fuel rail (MPN: 20-0230-02) is a high-flow upgrade designed for the Honda K-Series platform. CNC machined for precise fitment, this rail bolts directly to all OEM Honda intake manifolds and aftermarket manifolds that utilize factory mounting locations. The large internal bore supports increased fuel volume for high-performance applications while maintaining compatibility with stock-fitment fuel injectors.

• CNC machined construction for maximum durability and precision
• Dual 8AN ORB ports at each end for high-flow plumbing versatility
• Auxiliary 8AN ORB center port for mounting a fuel pulse damper (FPD) or pressure sensor
• Compatible with all fuel types including E85 and alcohol blends
• Designed to work with factory-style fuel injector fitment
• Includes all necessary hardware for mounting to factory locations
• Manufacturer Part Number: 20-0230-02

Designed for Nissan RB26DETT engines, this Radium Engineering Fuel Rail Plumbing Kit (MPN 20-0217-PK) provides a streamlined solution for connecting your Radium fuel rail to the vehicle's fuel system. By utilizing application-specific fittings and high-quality components, this kit eliminates the complexity of custom plumbing, ensuring a secure, leak-free installation that can handle the demands of high-performance fuel delivery.

• Specifically engineered to fit Radium Engineering RB26DETT fuel rails
• Includes precision-machined adapter fittings for optimal fuel flow
• Simplifies the transition between the fuel rail ports and chassis fuel lines
• Constructed with materials resistant to modern fuels, including E85
• Manufacturer Part Number: 20-0217-PK

The Radium Engineering high-flow fuel rail for the Nissan RB26DETT is a precision-engineered upgrade designed for high-horsepower builds. This fuel rail allows for the conversion from the factory side-feed setup to modern, high-performance top-feed injectors, providing the volume necessary for forced induction applications.

CNC machined from 6061-T6 aluminum, the 20-0217 fuel rail features a large internal bore that minimizes pressure drops and dampens fuel pulses across all six cylinders. The black anodized finish ensures long-lasting durability and full compatibility with all fuel types, including E85 and other alcohol-based fuels.

• Fits Nissan RB26DETT engines
• CNC machined 6061-T6 aluminum construction
• Large internal bore for maximum fuel flow and pulse dampening
• Black anodized finish for corrosion resistance and E85 compatibility
• Designed for top-feed injector conversion
• Manufacturer Part Number: 20-0217

The Radium Engineering Top Feed Fuel Rail Kit is a high-performance fueling solution for the 1993-1998 Toyota Supra (2JZ-GTE). This kit converts the factory fuel system to a universal top-feed configuration, allowing for a significantly wider selection of aftermarket fuel injectors to meet the demands of high-horsepower builds.

Precision engineered with four 8AN ORB ports, this fuel rail provides exceptional plumbing flexibility. The extra ports are specifically designed to accommodate fuel pressure sensors or pulse dampers without requiring additional inline adapters. To ensure proper fitment with various injector styles, the kit includes two sets of mounting feet, making it compatible with both 34mm and 48mm height injectors.

• Direct fit for 1993-1998 Toyota Supra Base and Twin Turbo (2JZ-GTE)
• Converts factory rail to high-flow top-feed configuration
• Includes four 8AN ORB ports for versatile plumbing options
• Supplied with mounting feet for 34mm or 48mm injector heights
• Requires fuel injectors with 14mm upper and lower O-rings
• Manufacturer Part Number: 20-0215

Fits 2010-2017 Lotus Evora (Base, S, and 400) models equipped with the Toyota 2GR-FE engine.

The Radium Engineering Toyota 2GR-FE Fuel Rail Kit is a precision-engineered upgrade designed to replace the restrictive factory fuel rails. By increasing fuel volume and improving distribution across the injectors, this kit is an essential component for performance-tuned engines, particularly those running high-flow injectors or forced induction setups.

• Precision-machined for a direct fit on the 2GR-FE engine platform
• Designed to eliminate the flow limitations of the OEM fuel system
• Engineered for high-output applications requiring consistent fuel pressure
• Complete kit includes necessary hardware for the specified Lotus models
• Manufacturer Part Number: 20-0198-02

This kit is a bolt-on solution that integrates with the existing engine architecture. For detailed setup and torque specifications, installation instructions are available directly from Radium Engineering.

Fits 2003-2006 Mitsubishi Lancer Evolution 8/9 models including MR, RS, and SE submodels.

The Radium Engineering Fuel Rail is a high-flow solution designed for the Mitsubishi 4G63 engine. This rail replaces the restrictive factory unit with a large-bore alternative, engineered to reduce pressure drops and ensure consistent fuel delivery across all injectors—a critical requirement for high-horsepower builds and modified fuel systems.

• CNC machined from 6061 aluminum for durability and precision
• Large internal bore supports increased fuel volume requirements
• Compatible with both factory and aftermarket top-feed fuel injectors
• Designed to bolt directly to the factory mounting points for a secure fit
• Manufacturer Part Number: 20-0119-12

Each rail features a professional finish to resist corrosion and is designed for easy integration with Radium accessories such as fuel pulse dampers or pressure gauges. Detailed installation instructions are available via Radium Engineering.

Fits 2008-2015 Mitsubishi Lancer Evolution GSR, MR, MR Touring, SE, and Final Edition.

The Radium Engineering high-flow fuel rail is engineered for the Mitsubishi Evolution X engine to provide the volume and consistency required for high-performance builds. Precision CNC-machined from 6061 aluminum, this rail replaces the restrictive factory unit to support increased fuel demands while offering a professional, durable finish. This rail is designed to bolt directly to the factory mounting points, ensuring a secure fitment with both stock and aftermarket fuel injectors.

• Manufacturer Part Number: 20-0112-12
• Precision CNC-machined aluminum construction
• Compatible with 2008-2015 Mitsubishi Lancer Evolution X (4B11T)
• Supports high-flow fuel delivery for modified engines
• Installation instructions available through Radium Engineering

Fits 2013-2017 Scion FR-S, Subaru BRZ, and Toyota 86 models equipped with the FA20 engine.

The Radium Engineering Fuel Rail Kit (MPN: 20-0111-02) is a high-flow fuel delivery solution for the FA20 boxer engine platform. These rails are designed to replace the restrictive factory fuel components, providing the increased volume and flow capacity required for modified and high-output builds. By ensuring consistent fuel pressure across all injectors, this kit is an essential upgrade for any FA20 performance application.

• High-volume internal bore for maximum fuel flow
• Designed for seamless integration with the FA20 engine
• Replaces restrictive OEM fuel rails
• Manufacturer Part Number: 20-0111-02

Vehicle Fitment

Fits select 2001-2008 BMW M3, Z3 M, and Z4 M models (S54 Engine).

The Radium Engineering Fuel Rail Kit for the BMW S54 engine provides a high-flow fuel delivery solution for naturally aspirated or forced induction builds. This fuel rail is designed to replace the restrictive factory unit, offering a larger internal bore to support increased fuel demands while maintaining consistent pressure across all six injectors.

• Precision CNC machined construction for exact fitment
• Compatible with the BMW S54 inline-six engine
• Large internal bore supports high-horsepower applications
• Manufacturer Part Number: 20-0070-02
• Note: This kit includes the fuel rail and mounting hardware only; it does not include hoses or fittings.

Vehicle Fitment

Fits 2005-2011 Lotus Elise Base, R, and SC models equipped with the Toyota 2ZZ-GE engine.

This Radium Engineering fuel rail plumbing kit (MPN 20-0012-PK) is designed to adapt the Radium 20-0112-01 fuel rail to the vehicle's factory fuel system. It provides a direct, high-integrity interface between performance fuel rails and the OEM lines, eliminating the need for custom fabrication or guesswork during fuel system upgrades. The kit includes the specific fittings and hardware required for a secure, leak-free installation on the 2ZZ-GE platform.

• Manufacturer Part Number: 20-0012-PK
• Required for Radium fuel rail 20-0112-01
• Interfaces directly with factory Lotus fuel lines
• Engine Compatibility: Toyota 2ZZ-GE

Fits 2005-2011 Lotus Elise and Exige models equipped with the 2ZZ-GE engine.

The Radium Engineering Aftermarket Configuration fuel rail is engineered for high-performance 2ZZ-GE engines that require custom fuel delivery solutions. Featuring a large internal bore to support high-volume fuel flow and dampen pressure pulses, this rail is CNC machined from 6061 billet aluminum and anodized for full compatibility with all fuel types, including E85. This configuration is specifically designed for builds utilizing custom fuel lines and external pressure regulators rather than factory plumbing.

• CNC machined 6061 billet aluminum construction with a durable anodized finish
• Large internal bore to support high-horsepower applications
• Dual 8AN ORB end ports and a center 6AN ORB port for flexible routing
• Includes thermal insulating phenolic spacers and washers to reduce heat transfer from the cylinder head
• Compatible with aftermarket fuel injectors and custom plumbing
• Manufacturer Part Number: 20-0012-01

Note: This Aftermarket Configuration requires custom fuel hoses and an external fuel pressure regulator for a complete installation.

The Radium Engineering 14-0727 Insulating Spacer is a precision-engineered component frequently used in Radium fuel rail kits. Machined from durable black nylon, this 27mm spacer is designed to provide critical thermal isolation between the fuel rail and the cylinder head or intake manifold, helping to reduce heat soak into the fuel system and maintain consistent fuel temperatures.

• Material: High-strength black nylon for superior thermal resistance
• Dimensions: 27mm height
• Function: Isolates fuel rails from engine heat and ensures proper hardware alignment
• Compatibility: Commonly used in various Radium Engineering fuel rail installations
• Manufacturer Part Number: 14-0727

The Radium Engineering 20mm insulating spacer is a precision-engineered fueling component designed to serve as both a height adapter and a thermal barrier. Manufactured from high-strength black nylon, this spacer effectively reduces conductive heat transfer from the intake manifold or cylinder head to the fuel rail, helping to keep fuel temperatures stable and prevent heat-soak related issues like vapor lock.

• Thickness: 20mm
• Material: Durable Black Nylon for thermal insulation
• Compatibility: Standard replacement for Radium Engineering fuel rail kits or custom EFI applications
• Manufacturer Part Number: 14-0720

This individual spacer is ideal for builders needing to adjust fuel rail height for different injector lengths or for replacing worn hardware in existing Radium fuel systems. The nylon construction ensures a lightweight, corrosion-resistant solution that withstands the high-temperature environment of the engine bay.

Fits select 2005-2020 Chrysler 300 and Aspen; Dodge Challenger, Charger, Durango, Magnum, and Ram 1500-3500; and Ram 1500-3500 (5.7L, 6.1L, 6.2L, and 6.4L Hemi engines).

Engineered for high-horsepower modern muscle applications, the Grams Performance & Design billet aluminum fuel rail system is a critical upgrade for your high-performance fuel delivery system. These rails are CNC-machined from 6061 billet aluminum for superior strength and feature a large .66-inch internal bore to provide the volume necessary for builds exceeding 2000hp. Designed for direct fitment, they offer OE drop-in compatibility and utilize -8 ORB ports to ensure consistent fuel pressure across all injectors.

• Precision machined from Billet 6061 Aluminum
• Large .66 in. internal bore for maximum fuel volume
• Supports 2000hp+ applications
• Equipped with -8 ORB ports for consistent pressure delivery
• Raw aluminum finish
• Quick-connect OE drop-in compatibility
• Manufacturer Part Number: G50-03-1010

Ensure consistent fuel delivery and eliminate pressure drops with the FAST LSXR / LSXRT Billet Fuel Rail Kit (146032B-KIT). Specifically engineered for use with FAST LSX, LSXR, and LSXRT intake manifolds, these rails feature a significantly larger internal diameter than factory components. This increased bore volume dampens fuel pressure pulses and provides a massive reservoir of fuel, ensuring your injectors never run dry during high-demand or wide-open-throttle conditions.

• Construction: CNC-machined from high-strength, lightweight billet aluminum for long-term durability.
• Finish: Performance black anodized finish for superior corrosion resistance and a show-quality engine bay appearance.
• System Stability: High-volume internal bore stabilizes fuel distribution across all cylinders for improved horsepower potential.
• Compatibility: Designed for FAST LSXR and LSXRT series intake manifolds.
• Part Number: 146032B-KIT.

Please note: This kit does not include installation hardware kits 146020-KIT or 146021-KIT, which may be required for specific plumbing configurations.

Ensure consistent fuel delivery for your high-performance LS engine with the FAST Billet Fuel Rail Kit. Specifically engineered for use with FAST LSX, LSXR, and LSXRT intake manifolds, these rails feature a significantly larger internal diameter than standard components. This increased volume provides a critical buffer to prevent injectors from running lean during high-demand cycles.

Beyond volume, the increased bore acts as a dampener for pressure pulses within the fuel system, promoting more even fuel distribution across all cylinders to support higher horsepower levels. CNC-machined from high-strength billet aluminum, these rails offer a lightweight yet durable solution for performance fueling requirements.

• Fits FAST LSX, LSXR, and LSXRT intake manifolds
• Large internal diameter increases fuel volume and dampens pressure pulses
• CNC-machined billet aluminum construction with a durable anodized finish
• Helps ensure even fuel distribution and prevents injector lean-out
• Manufacturer Part Number: 146027-KIT

Please note: This kit does not include installation kits 146020-KIT or 146021-KIT.

Fits select Chevrolet and GM LS3, L99, and L76 engines. The FAST LSXR OE Fuel Rail Injector Spacer Kit is a specialized hardware solution designed to adapt factory fuel rails to high-performance aftermarket manifolds. This kit provides the specific spacing required to maintain correct injector geometry and rail alignment when upgrading to 102mm intake systems.

• Allows the use of original equipment (OE) fuel rails with FAST LSXR 102mm intake manifolds.
• Compatible with FAST intake manifold part numbers 146102B, 146103B, and 146104B.
• Ensures proper injector seating to prevent vacuum or fuel leaks at the manifold interface.
• Ideal for builders retaining the factory fuel system while increasing airflow capacity.
• Manufacturer Part Number: 146025-KIT

The Edelbrock #3647 EFI Fuel Rail Kit is engineered specifically for Chrysler Gen III HEMI (5.7L / 6.1L / 6.4L) engines equipped with the Edelbrock Victor II #7179 intake manifold. These high-flow rails are manufactured from standard ribbed extrusion aluminum, providing both structural rigidity and enhanced heat dissipation.

Each rail features a durable black anodized finish with a machine-highlighted Edelbrock logo for a clean, professional look under the hood. The rails are threaded on both ends with -6 AN fittings, allowing for versatile plumbing options in high-performance EFI setups. This complete kit provides the necessary hardware and hoses to simplify the installation process on your HEMI power plant.

• Direct fit for Edelbrock Victor II #7179 intake manifolds
• Compatible with Gen III HEMI 5.7L, 6.1L, and 6.4L engines
• High-quality ribbed extrusion aluminum construction
• Black anodized finish with machine-highlighted branding
• -6 AN threaded ends for secure fuel line connections
• Includes two (2) fuel rails, mounting hardware, and a hose kit
• Manufacturer Part Number: 3647

This Edelbrock 3639 fuel rail kit is specifically designed for Ford 4.6L SOHC engines equipped with the Victor Jr. EFI intake manifold (part #28385). Engineered for high-performance fuel delivery, these rails ensure consistent pressure and volume to your standard-height injectors.

Each rail is precision-machined from high-quality extruded aluminum and finished with a clear anodized coating for long-lasting corrosion resistance and a clean engine bay aesthetic. The rails feature 3/8" NPT threaded inlets and outlets on both ends to accommodate various plumbing configurations.

• Fits Ford 4.6L SOHC engines using Victor Jr. EFI Manifold #28385
• Machined from durable extruded aluminum
• Clear anodized finish for protection and style
• 3/8" NPT threaded inlet/outlet ports on both ends
• Includes fuel rails, mounting stands, and necessary hardware
• Manufacturer Part Number: 3639

Note: Fuel fittings, crossover lines, and a fuel pressure regulator are required for installation and are sold separately.

The Injector Dynamics T1 Subaru STi SFC Feed Line Kit provides a high-flow plumbing solution for enthusiasts upgrading their fuel systems. Specifically engineered to work with the SFC (Side Feed Conversion) fuel rail setup, this kit replaces restrictive factory lines with performance-grade plumbing to ensure consistent fuel delivery under high-demand conditions.

• Fits Subaru STi models equipped with SFC fuel rails
• Includes high-quality fuel lines and necessary fittings for plumbing the feed side of the rail system
• Engineered for high-horsepower applications requiring reliable fuel flow
• Manufacturer Part Number: SFC FLK

Fits select 1990-2006 BMW 3-Series, 5-Series, X3, X5, Z3, Z4, and M3 equipped with M50, M52, M54, S50, and S52 straight-six engines.

This DeatschWerks fuel rail is engineered for enthusiasts and tuners requiring a robust fuel delivery solution for high-performance applications. Designed to replace the factory rail, this component provides the increased volume and flow capacity necessary for turbocharged, supercharged, or high-compression naturally aspirated builds where consistent fuel pressure is critical across all injectors.

• Engineered for BMW engine families: M50, M52, M54, S50, and S52
• High-flow bore design to support increased horsepower requirements
• Precision fitment for fuel system reliability
• Manufacturer Part Number: 7-900

Fits select 2003-2020 Nissan 350Z, 370Z and Infiniti G35, G37 (VQ35DE / VQ35DE-R / VQ35HR).

The DeatschWerks Top Feed Conversion Fuel Rail is designed to support the increased fuel demands of high-performance Nissan VQ engines. By upgrading the factory fuel delivery system, this rail allows for the installation of high-flow top-feed injectors, ensuring consistent fuel distribution across all cylinders. This is a critical component for enthusiasts converting to return-style fuel systems or pushing the VQ35 and VQ37 platforms beyond the limitations of OEM hardware.

• Manufacturer Part Number: 7-804
• Engine Compatibility: VQ35DE, VQ35DE-R, VQ35HR, and VQ37-based models
• Supports high-flow top-feed injector conversions
• Precision engineered for reliable fuel delivery in forced induction or high-HP builds
• Compatible with Nissan 350Z/370Z and Infiniti G35/G37 platforms

Fits select 1989-1993 Nissan 240SX models equipped with SR20 engines.

The DeatschWerks 7-800 Top Feed Conversion Fuel Rail is engineered to modernize the fuel system on the Nissan SR20 S13 engine. By converting the factory side-feed injector setup to a top-feed configuration, this rail allows builders to utilize a much broader range of high-performance fuel injectors, essential for high-horsepower and turbocharged applications. Precision-machined for a proper fit on the S13 intake manifold, it ensures reliable fuel delivery and simplified installation for performance tuning.

• Converts factory side-feed configuration to top-feed for expanded injector options
• Specifically designed for the Nissan SR20 S13 engine platform
• Durable construction for reliable high-pressure fuel delivery
• Manufacturer Part Number: 7-800

Vehicle Fitment

Fits 1986-1991 Mazda RX-7 (FC) models including Turbo, GTU, GXL, and Convertible.

The DeatschWerks high-flow fuel rail kit (MPN 7-702) is engineered to meet the increased fueling demands of performance-modified rotary engines. These rails replace the restrictive factory units, providing the volume and flow stability required for high-horsepower applications, particularly on forced-induction builds. Designed for precision fitment on the 13B platform, they simplify the transition to larger aftermarket injectors while ensuring reliable fuel delivery across all rotors.

• Direct fitment for 1986-1991 Mazda RX-7 FC chassis
• Engineered for high-flow capacity and fuel pressure stability
• Replaces restrictive factory fuel rails
• Essential for high-output forced induction and rotary builds
• Manufacturer Part Number: 7-702

Fits 1993-1995 Mazda RX-7 Base and Touring models.

The DeatschWerks Top Feed Conversion Fuel Rails are engineered to replace the factory side-feed system on the FD-generation RX-7. This conversion allows for the installation of high-flow top-feed injectors, which offer a wider range of tuning options and flow rates necessary for high-horsepower rotary builds. By moving to a top-feed configuration, you eliminate the limitations of the original side-feed setup and ensure more reliable fuel delivery under high-demand conditions.

• Specifically designed for 1993-1995 Mazda RX-7 Base and Touring models
• Converts fuel system from side-feed to top-feed configuration
• Enables use of modern high-flow top-feed fuel injectors
• Direct application-specific fitment for the FD chassis
• Manufacturer Part Number: 7-700

Fits 2003-2006 Mitsubishi Lancer Evolution 8 and 9.

Optimize your fuel delivery system with DeatschWerks high-flow fuel rails, engineered specifically for the Mitsubishi Lancer Evolution (Evo VIII/IX) platform. These rails are designed to provide the increased fuel volume necessary for high-horsepower builds, ensuring consistent pressure and flow to your injectors. This component is a critical upgrade for modified 4G63 engines where the factory rail becomes a restriction.

• Direct fit for 2003-2006 Mitsubishi Lancer Evolution models
• Engineered for high-flow fuel delivery and custom plumbing flexibility
• Supports high-horsepower builds and upgraded fuel systems
• Manufacturer Part Number: 7-502

Fits 2008-2015 Mitsubishi Lancer Evolution GSR and MR models.

Engineered for the Mitsubishi Evo X platform, DeatschWerks fuel rails provide the increased fuel delivery capacity required for high-horsepower builds. These rails are designed to replace the restrictive factory unit, offering a solution for enthusiasts who need reliable plumbing and consistent pressure for their fuel system.

• Precision fitment for the Mitsubishi Lancer Evolution X
• Engineered to support high-flow fuel delivery
• Compatible with 2008 and 2010-2015 GSR and MR submodels
• Manufacturer Part Number: 7-500

Fits 2000-2005 Honda S2000 Base.

DeatschWerks fuel rails are engineered to provide the increased fuel volume and flow stability required for high-performance applications. Designed to replace the restrictive factory unit, these rails ensure consistent fuel delivery and pressure across all injectors, which is critical for modified engines and high-horsepower builds.

• Specifically engineered for the 2000-2005 Honda S2000 fuel system
• Designed to optimize fuel delivery and reduce pressure drops
• Direct replacement for the OEM fuel rail
• Manufacturer Part Number: 7-404

This fuel rail provides the necessary capacity for enthusiasts moving beyond the limits of the stock fuel system while maintaining reliable fitment on the factory intake manifold.