The Radium Engineering 20-0858 V2 Quick Connect adapter is a precision-engineered solution for integrating high-performance plumbing into factory systems. This fitting allows for a seamless transition from a 15mm male OEM-style quick-connect port to a 10AN male flare, making it ideal for custom fuel, oil, or coolant plumbing projects that require reliable -10AN lines.

CNC machined from lightweight aluminum and finished with a durable anodized coating, this adapter is built to withstand the rigors of high-pressure automotive environments while resisting corrosion. The V2 design ensures a secure, leak-free interface with factory-style push-lock connections.

• Manufacturer Part Number: 20-0858
• Inlet: 15mm Male Quick Connect
• Outlet: 10AN Male Flare
• Configuration: Straight
• Material: Anodized Aluminum
• Series: Radium V2 Quick Connect

Fits Nissan GT-R (R35) models.

The Radium Engineering Fuel Hanger Feed Kit provides a high-flow plumbing solution to connect a Radium in-tank fuel hanger directly to the engine bay rails. This kit replaces restrictive factory lines with dual -6AN feed lines to support higher horsepower applications requiring increased fuel volume. The included stainless steel fuel filter ensures debris is captured before reaching the injectors while maintaining the flow characteristics required for high-demand fuel systems.

• Manufacturer Part Number: 20-0851-03
• Dual -6AN high-flow PTFE feed lines
• Integrated stainless steel fuel filter
• Includes all necessary adapter fittings and hardware
• Designed specifically for use with Radium Engineering R35 fuel hangers

Fits 2015-2021 Subaru WRX (FA20).

The Radium Engineering Fuel Level Sender Adapter is a specialized bracket required for drivers upgrading to a Radium in-tank fuel pump hanger. Because the factory fuel pump assembly housing typically holds the fuel level sender, replacing the entire OE unit with a high-flow Radium hanger leaves the sender without a mounting point. This adapter solves that issue by providing a secure, precise location for the original equipment sensor.

• Specifically engineered for use with Radium Engineering in-tank fuel pump hangers
• Ensures the factory fuel level sender remains functional for accurate dash readings
• Robust construction designed to withstand constant fuel immersion
• Maintains proper sensor orientation and depth within the fuel tank
• Manufacturer Part Number: 20-0850

Fits 1991-1995 Toyota MR2 Base and Turbo models equipped with the 3S-GTE engine.

This Radium Engineering fuel rail is engineered for high-performance Toyota 3S-GTE builds, providing a high-volume fuel delivery solution that replaces the restrictive factory rail. CNC machined for precise fitment and durability, it features a large internal bore to accommodate high-flow demands and help dampen pressure pulses. It is designed as a direct bolt-on component, requiring no permanent modifications to the engine or chassis.

The rail is compatible with stock fuel injectors as well as aftermarket injectors that utilize the same fitment. It is equipped with four 8AN ORB (O-Ring Port) ports, allowing for versatile plumbing configurations including the use of fuel pressure regulators, pulse dampers, and gauge adapters.

• Manufacturer Part Number: 20-0849
• CNC machined aluminum construction
• Four 8AN ORB ports for plumbing and fuel accessories
• Compatible with factory or aftermarket injectors
• Bolts directly to factory mounting points
• Note: Fittings and port plugs are sold separately

The Radium Engineering Shrouded SAE Fuel Level Sender (20-0847-297) provides high-precision fuel volume data for performance fuel cells and custom tanks. At 11.7 inches in length, this unit features a protective outer shroud that acts as a stilling well, dampening fuel slosh to ensure stable and consistent gauge readings during high-G cornering or rapid acceleration.

Built for durability in harsh environments, this sender is manufactured from stainless steel to prevent corrosion across various fuel types. It utilizes the standard 5-bolt SAE mounting pattern, making it a direct fit for most aftermarket fuel cells and fuel pump hangers.

• Length: 11.7 inches (297mm)
• Resistance Range: 0 Ohms (Empty) / 90 Ohms (Full)
• Mounting: Standard 5-bolt SAE pattern
• Construction: Stainless steel body and internal components
• Fuel Compatibility: Gasoline, E85, Ethanol, Methanol, and Diesel
• Manufacturer Part Number: 20-0847-297

Specifically designed for precision monitoring in high-performance fuel systems, this Radium Engineering 8-inch fuel level sender is a direct fit for Radium 6-gallon, 10-gallon, and spare tire fuel cells. The shrouded design acts as a baffle, protecting the internal float from fuel slosh and turbulence to ensure a steady and accurate gauge reading during high-G cornering or acceleration.

Built with robust stainless steel components, this sender is engineered to withstand long-term immersion in various fuel types. It utilizes a standard SAE 5-bolt mounting pattern for a secure interface with the fuel cell flange and operates on a 0-90 ohm resistance range, making it compatible with most common aftermarket gauges and digital dashes.

• Manufacturer Part Number: 20-0847-203
• Length: 8.0 inches (203mm)
• Resistance Range: 0-90 Ohms
• Construction: Stainless steel body and shroud
• Mounting: SAE 5-bolt pattern
• Fitment: Radium Engineering 6-gallon, 10-gallon, and Spare Tire fuel cells

Streamline your fuel system configuration with the Radium Engineering FCST-X Direct Mount Refueling Kit. Designed specifically for fuel cells equipped with the Radium FCST-X (Fuel Cell Surge Tank), this kit replaces remote filler neck setups with a compact, tank-mounted solution that bolts directly to the surge tank assembly.

• Precision Fitment: Engineered to integrate seamlessly with Radium Engineering FCST-X equipped fuel cells.
• Standard Fill Neck: Features a secure, knurled screw-off cap for easy refueling access without the need for additional hoses.
• Integrated Venting: Includes a dedicated -8AN (8AN) male flare vent fitting to ensure proper tank pressure equalization during high-flow filling.
• Durable Construction: Manufactured with high-grade materials to withstand various fuel types and track conditions.

This kit is essential for racers and builders looking to simplify their fuel cell plumbing while maintaining a high level of safety and reliability. Manufacturer Part Number: 20-0841-20.

The Radium Engineering FCST-X Complete Refueling Kit (20-0841-02) is a comprehensive solution for vehicles equipped with FCST-X fuel cells that require a remote-mounted fill point. This system allows for easier refueling access by relocating the filler neck away from the cell, utilizing high-quality components designed for the rigors of performance and racing environments.

• Complete System: Specifically engineered for Radium Engineering FCST-X equipped fuel cells.
• Fill Hose: Includes a 1.5-inch diameter, 3-foot length fuel-resistant fill hose for flexible routing.
• Refueling Hardware: Features a remote-mounted filler with a secure screw-off cap and an angled fill neck.
• Ventilation: Comes with an 8AN vent line to ensure efficient air displacement during high-speed filling.
• Included Equipment: Includes a dedicated dump can featuring a standard filler spout.
• Manufacturer Part Number: 20-0841-02

Fits 2005-2023 Toyota Tacoma models. The Radium Engineering Dual Catch Can Kit (20-0840-FL) is engineered to prevent oil vapor and moisture from entering the intake system, where they can cause power-robbing carbon buildup and reduced octane levels. By intercepting both the crankcase vent and PCV lines, this kit ensures cleaner combustion and protects the long-term health of your engine.

This specific kit includes Radium's Fluid Lock technology, a critical safety feature that prevents collected fluids from being siphoned back into the engine during high-G cornering or if the reservoirs reach capacity. The system is designed for a straightforward bolt-in installation using factory mounting points, requiring no permanent vehicle modifications.

• Dual-can configuration manages both PCV and crankcase ventilation
• Fluid Lock mechanism for superior engine protection
• CNC machined aluminum construction with a durable finish
• Includes application-specific mounting brackets and all necessary hardware
• Direct-fit hoses for a clean, leak-free installation
• Manufacturer Part Number: 20-0840-FL

Fits 2008-2015 Cadillac CTS-V Sedan and Coupe models.

The Radium Engineering Fuel Pump Access Cover (MPN: 20-0835) provides a permanent, professional solution for servicing fuel system components without the labor-intensive requirement of dropping the vehicle's fuel tank. This panel is designed to provide clear, top-side access to the fuel pump hanger for faster maintenance, pump swaps, or diagnostic work.

Constructed from lightweight, precision-machined aluminum, the cover ensures a clean finish while maintaining structural integrity. Note that installation requires permanent modification to the vehicle, involving drilling and cutting of the factory floor pan to create the access point.

• Manufactured from high-grade aluminum for durability and corrosion resistance
• Eliminates the need to drop the fuel tank for pump or hanger service
• Low-profile design minimizes interference with factory carpet and trim
• Required hardware and instructions for installation included
• Manufacturer Part Number: 20-0835

Fits 2017-2025 Honda Civic Type R (FK8 and FL5).

The Radium Engineering Coolant Expansion Tank Kit is a performance-oriented replacement for the factory plastic coolant reservoir. Designed as a direct bolt-in solution, this kit (MPN 20-0827) eliminates the reliability concerns associated with the original equipment plastic tank, which is prone to fatigue and failure under the high-temperature conditions of spirited driving or track use.

• Direct replacement for the OEM plastic coolant tank
• Simplified bolt-in installation using factory mounting points
• Specifically engineered for the FK8 and FL5 chassis
• Manufacturer Part Number: 20-0827

Fits 2017-2025 Honda Civic Type R (FK8/FL5).

The Radium Engineering Dual Fluid Lock Catch Can Kit (MPN 20-0826-FL) provides essential protection for the K20C1 engine, which is prone to intake valve carbon buildup due to its direct-injection design. This comprehensive kit intercepts oil vapor and moisture from both the PCV line and the crankcase vent line before they can enter the intake tract and degrade performance.

This system features Radium’s patented Fluid Lock catch cans, which utilize a specialized internal mechanism to prevent collected fluids from splashing back into the engine during high-G maneuvers on the track or street. The kit is designed for a seamless, bolt-in installation without permanent modifications to the vehicle.

• Dual catch can configuration manages both PCV and Crankcase Vent lines
• Patented Fluid Lock technology prevents fluid escape during aggressive driving
• Precision CNC-machined aluminum construction with a durable black anodized finish
• Direct bolt-in installation utilizing factory mounting locations
• Includes custom brackets, application-specific hoses, and all necessary mounting hardware
• Manufacturer Part Number: 20-0826-FL

The Radium CCV Fluid Lock Catch Can Kit for the 2017-2025 Honda Civic Type R (FK8 and FL5) provides an essential layer of protection for the K20C1 engine. This single catch can system intercepts the front crankcase breather hose to prevent oil vapor and sludge from entering the air induction system, helping maintain intake tract cleanliness and reducing carbon buildup on the valves.

Featuring Radium's patented Fluid Lock technology, this kit includes an internal mechanism designed to prevent collected fluids from being drawn back into the engine under high-vacuum or high-G conditions. This is particularly critical for track-driven Civic Type R models where lateral forces can shift fluid levels significantly within the reservoir.

• Fits 2017-2021 (FK8) and 2023-2025 (FL5) Honda Civic Type R
• Patented Fluid Lock technology prevents fluid pull-through during spirited driving
• Installs inline with the factory crankcase breather hose at the front of the engine
• Captures oil and sludge to preserve induction system efficiency
• Manufacturer Part Number: 20-0825-FL

The Radium Engineering Universal Air Oil Separator (AOS-R) is an essential component for high-performance engines, designed to effectively manage crankcase gases and prevent oil vapor from contaminating the intake tract. This AOS-R model utilizes a Vent-to-Atmosphere (VTA) design, where filtered gases are released out the top of the unit while captured oil is permitted to drain back into the engine block via gravity. This system ensures your engine maintains optimal combustion efficiency and prevents oil-induced octane degradation.

• Manufacturer Part Number: 20-0819
• System Type: Vent-to-Atmosphere (VTA) with top-mounted venting
• Oil Management: Integrated gravity drain returns oil directly to the crankcase
• Installation: Universal fitment for custom-built PCV or crankcase ventilation systems
• Application: Ideal for forced induction or high-revving naturally aspirated builds

The Radium Engineering 2-Way Threaded Hose Separator Clamp (MPN: 20-0817) provides a professional plumbing solution for organizing and securing fluid lines within the engine bay. Designed for durability and precision, this clamp features a two-position configuration to maintain consistent spacing between fuel, oil, or coolant hoses, preventing vibration-induced wear and abrasion.

Constructed from CNC-machined aluminum and finished with a protective anodized coating, these separators utilize a threaded hardware design to ensure a more secure, slip-free grip compared to standard snap-on alternatives. This makes them ideal for high-performance applications where plumbing reliability is critical.

• Manufacturer Part Number: 20-0817
• Material: CNC-machined anodized aluminum
• Configuration: 2-way (dual position) separator
• Mounting: Threaded fastener for secure clamping
• Compatibility: Universal application for various hose types

Fits Nissan RB25DET engines on both the intake and exhaust side valve covers.

Simplify your crankcase ventilation and catch can plumbing with this Radium Engineering press-in valve cover fitting. Designed specifically for the Nissan RB25DET, this component replaces the restrictive factory press-fit barb with a high-flow 10AN male connection. The swivel design allows for precise hose routing, preventing kinks and ensuring a clean installation in tight engine bays.

• Direct replacement for factory press-in valve cover fittings
• 10AN male outlet for secure plumbing to breather tanks or catch cans
• 360-degree swivel allows for optimal hose orientation
• Compatible with both intake and exhaust side valve covers
• Manufacturer Part Number: 20-0813

Fits 1993-2002 Nissan Silvia S14 and S15 models equipped with the SR20DET engine.

Designed to simplify the installation of custom crankcase ventilation systems, this Radium Engineering press-fit fitting replaces the factory breather on the exhaust side of the S14/S15 SR20DET valve cover. It converts the OEM outlet to a standard 10AN male flare, allowing for secure, high-flow plumbing to an oil catch can or air-oil separator.

• Direct press-fit replacement for the factory exhaust-side valve cover fitting
• Converts OEM breather to 10AN male connection
• Precision machined for tight tolerances and a leak-free seal
• Essential for high-performance SR20DET builds requiring upgraded PCV routing
• Manufacturer Part Number: 20-0812

Fits 1989-1994 Nissan S13 SR20DET (Red Top and Black Top) engines.

The Radium Engineering 10AN Male Press-Fit Valve Cover Fitting (MPN: 20-0811) provides a high-performance alternative to the restrictive factory breather port. Designed specifically for the exhaust side of the S13 SR20DET valve cover, this fitting replaces the stock press-fit component, allowing for a secure, leak-free -10AN connection to an oil catch can or crankcase ventilation system.

• Precision CNC machined construction for exact fitment
• Dual-sided -10AN male flare connections for simplified plumbing
• Replaces the factory press-fit fitting without the need for welding or tapping
• Optimized for high-performance breather setups and oil management
• Manufacturer Part Number: 20-0811

Designed specifically for the Nissan KA24DE engine, this Radium Engineering press-fit fitting allows for the seamless integration of a high-flow crankcase ventilation system. It replaces the factory breather port on the valve cover with a versatile -10AN male connection, making it an essential component for custom catch can setups and improved oil vapor management.

• Fitment: Fits Nissan KA24DE engines.
• Material: Constructed from high-quality stainless steel and aluminum for long-term durability and corrosion resistance.
• 360-Degree Swivel: The 10AN male fitting swivels a full 360 degrees, allowing for clean and precise hose routing in any engine bay configuration.
• Installation: Secure press-fit design ensures a tight seal into the factory valve cover port.
• Manufacturer Part Number: 20-0810

Fits Nissan RB26DETT engines. This Radium Engineering press-fit fitting is designed to replace the factory breather tubes on both the intake and exhaust valve covers, providing a secure -12AN male connection for high-flow crankcase ventilation.

Constructed from high-grade aluminum, this fitting solves the common issue of leaky or restrictive factory tubes when building custom catch can systems. The integrated swivel feature is critical for installation, allowing the user to clock the -12AN male outlet in any direction to achieve optimal hose routing in the tight Nissan skyline engine bay. This ensures a leak-free seal and professional plumbing for forced induction applications.

• Engine Compatibility: Nissan RB26DETT
• Fitting Size: -12AN Male
• Design: Press-fit with 360-degree swivel clocking
• Application: Intake or Exhaust valve cover breather ports
• Material: Machined aluminum construction
• Manufacturer Part Number: 20-0809

Fits select Nissan S14 and S15 models equipped with SR20DET or RB25DET engines.

The Radium Engineering 20-0808 press-in valve cover banjo fitting is a high-performance solution for enthusiasts looking to optimize crankcase ventilation. This fitting replaces the restrictive factory PCV valve on the intake side of the valve cover, converting the port to a high-flow 10AN male fitting suitable for vent-to-atmosphere and catch can configurations.

• Low-Profile Design: The banjo bolt architecture allows the fitting to swivel 360 degrees, providing maximum clearance and flexible hose routing in tight engine bays.
• Premium Materials: Constructed with a stainless steel press-fit adapter and a CNC-machined aluminum banjo component for long-term durability and corrosion resistance.
• Secure Fit: Engineered for a precise press-fit installation into the factory intake port, ensuring a leak-free seal without requiring drilling or tapping.
• Specifications: Features a 10AN male outlet; specifically designed for the intake-side port of S14/S15 SR20DET and RB25DET valve covers.

Fits 2001-2006 BMW 330Ci Base (M54 engine).

This Radium Engineering fuel rail plumbing kit provides the essential components required to adapt a Radium fuel rail to the factory fuel line system in the BMW E46 engine bay. By using this kit, installers can maintain a reliable, leak-free connection between high-performance aftermarket rails and the OEM chassis lines without the need for custom hose fabrication.

• Specifically designed for the BMW M54 engine platform
• Adapts Radium fuel rails to factory fuel delivery lines
• Includes all necessary plugs and adapter fittings
• Engineered for high-pressure fuel system integrity
• Manufacturer Part Number: 20-0807-PK

The Radium Engineering Fuel Hanger FPR Block Off is a precision-engineered solution for drivers transitioning from a returnless or internally regulated setup to a traditional return-style fuel system. This kit (MPN: 20-0806) decommissions the integrated fuel pressure regulator found within specific Radium fuel pump hangers, allowing for the use of an external, manifold-referenced regulator.

By bypassing the internal regulator, users can achieve more precise fuel pressure management, which is critical for high-horsepower builds and forced induction applications where fuel rail pressure must scale with boost. The component is designed for a direct fit, ensuring a secure, leak-free seal within the fuel assembly.

• Converts Radium fuel hangers to a return-style fuel system
• Decommissions internal built-in fuel pressure regulators
• Enables more precise fuel control via external regulators
• Precision-machined for exact fitment and reliability
• Manufacturer Part Number: 20-0806

The Radium Engineering Pump Outlet Adapter (MPN: 20-0798) is a specialized fitting designed to install directly onto specific fuel pump outlet barbs. This adapter features an integrated check valve, which is critical for maintaining residual fuel system pressure after the pump is turned off, ensuring faster restarts and preventing fuel backflow.

Constructed for durability and precision, this component provides a reliable 10mm male hose barb connection, making it an essential upgrade for custom fuel systems where a high-flow check valve is required at the source.

• Manufacturer Part Number: 20-0798
• Integrated internal check valve maintains fuel rail pressure
• 10mm male hose barb outlet for secure fuel line plumbing
• Machined for a precise fit on specific pump outlet barbs
• Improves engine startup by preventing pressure drop

Fits select 1992-2000 Honda Civic and 1994-2001 Acura Integra models.

This Radium Engineering dual pump add-on kit (PN 20-0797-00) is designed to expand the capabilities of the Radium in-tank fuel pump hanger (PN 20-0792-00). This conversion kit allows for the addition of a second high-flow pump to support higher horsepower builds requiring increased fuel volume without the need for a completely new hanger assembly.

• Specifically engineered for use with Walbro F90000267, F90000274, and F90000285 fuel pumps
• Integrates seamlessly with Radium Engineering part number 20-0792-00
• Includes all necessary hardware and components for a second pump installation
• Maintains the reliability and fitment of the factory fuel tank setup
• Manufacturer Part Number: 20-0797-00

Fits 1992-2000 Honda Civic and 1994-2001 Acura Integra models equipped with Radium Engineering fuel hanger kit 20-0790-00.

This Radium Engineering Dual Pump Add-On Kit provides the components required to expand your existing fuel system's capacity by adding a second pump. It is designed specifically to integrate with the Radium in-tank fuel hanger, allowing for increased fuel flow to support high-horsepower demands without needing to replace the entire assembly. This is an essential upgrade for forced induction or high-performance builds requiring redundant or higher-volume fueling.

• Specifically compatible with Radium Engineering Fuel Hanger Kit 20-0790-00
• Supports the installation of a second in-tank fuel pump
• Enables dual-pump configurations for high-flow fuel requirements
• Includes necessary hardware for pump integration
• Manufacturer Part Number: 20-0796-00

Radium Engineering part number 20-0795 is a technical-grade submersible PTFE fuel hose designed for high-performance use inside fuel tanks and surge tanks. Unlike standard fuel lines that degrade or swell when submerged, this PTFE (Polytetrafluoroethylene) tubing is engineered to resist chemical breakdown from constant contact with fuel on both the inner and outer surfaces.

With a 3/8-inch internal diameter and a 17.7-inch (450mm) length, this tubing is an essential component for plumbing custom fuel pump hangers and multi-pump setups. The rigid yet flexible PTFE construction ensures it will not kink or collapse under vacuum, maintaining consistent flow for high-demand fueling systems.

• Manufacturer Part Number: 20-0795
• Material: Chemical-resistant PTFE (Polytetrafluoroethylene)
• Inside Diameter: 3/8 inch (9.5mm)
• Length: 17.7 inches (450mm)
• Compatibility: Gasoline, E85, Ethanol, and Methanol
• Application: Specifically designed for in-tank submersible plumbing

Fits select 1992-2000 Honda Civic and 1994-2001 Acura Integra models.

The Radium Engineering Fuel Hanger (MPN 20-0792-00) is a high-performance drop-in solution designed to replace the factory unit and accommodate high-flow aftermarket fuel pumps. Engineered for enthusiasts requiring increased fuel volume, this hanger is specifically designed for use with Walbro (TI Automotive) DCSS and brushless pumps, ensuring a secure fit and optimal fuel delivery under high-demand conditions.

• CNC-machined construction for precise fitment in the factory fuel tank
• Specifically designed for Walbro F90000267, F90000274, and F90000285 fuel pumps
• Corrosion-resistant materials compatible with gasoline and E85 ethanol
• Replaces the restrictive OEM pump carrier to maximize flow potential
• Manufacturer Part Number: 20-0792-00

Fits 1992-2000 Honda Civic and 1994-2001 Acura Integra models (VTEC and non-VTEC engines).

The Radium Engineering in-tank fuel pump hanger is a high-performance upgrade designed to replace the restrictive factory assembly. It provides a secure, drop-in mounting solution for high-volume aftermarket fuel pumps, ensuring your fuel system can meet the demands of forced induction or high-horsepower naturally aspirated builds. This hanger is engineered to integrate seamlessly with the factory fuel tank while providing the flow capacity required for performance tuning.

• Specifically compatible with Walbro GSS342 and AEM 50-1000/1200 (AEM 50-12) pumps
• Replaces the OEM fuel pump hanger for improved flow and reliability
• Designed for drop-in installation into factory fuel tanks
• Compatible with gasoline and ethanol fuels
• Manufacturer Part Number: 20-0790-00

Fits 2005-2013 Chevrolet Corvette models.

The Radium Engineering Fluid Lock Dual Catch Can Kit (MPN 20-0787-FL) provides a high-performance solution for managing crankcase blow-by in the C6 Corvette. By plumbing into both the crankcase vent hose and the PCV line, this dual-can system intercepts oil vapor, moisture, and other contaminants before they reach the induction system. This prevents intake valve coating and helps maintain the effective octane of your fuel mixture by keeping the intake tract clean.

This kit features Radium's patented Fluid Lock technology, which acts as a safety mechanism to prevent collected fluids from being siphoned back into the engine during high-G cornering or under high-vacuum conditions. Engineered specifically for the Corvette chassis, the kit utilizes a vehicle-specific bracket for a secure, bolt-in installation using factory mounting points.

• Dual catch can configuration for comprehensive crankcase and PCV filtration
• Patented Fluid Lock technology prevents fluid carryover
• Durable anodized aluminum construction
• Direct bolt-in fitment with no permanent vehicle modifications required
• Includes application-specific mounting bracket, hoses, and all necessary hardware
• Manufacturer Part Number: 20-0787-FL