Radium Engineering - Performance Fuel Systems & Universal Accessories

Since 2010, Radium Engineering has made its mark by designing and producing high‑performance aftermarket automotive components—specializing in fuel delivery, surge tanks, catch cans, pulse dampers, and coolant systems—all engineered in Clackamas, Oregon, with meticulous attention to fit and function. Built for both enthusiast street cars and hardcore race applications, their RA‑Series fuel bladders withstand all fuel types—from gasoline to E85 or methanol.

Radium’s surge tanks (single-, multi-pump) and FCST-X systems prevent fuel starvation under high‑G conditions, while their pulse dampers help maintain stable and safe fuel pressure. Backed by detailed installation guides and direct customer support from their U.S. facility, they ensure both reliability and ease of use for DIYers and professional builders.

Whether you're upgrading your fuel system, eliminating vapor lock, or optimizing performance on track, Radium Engineering delivers precision‑machined, race‑ready solutions that stand the test of time.

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Radium Engineering 2015+ Subaru STi Air Oil Separator-Return Kit Radium Engineering 2015+ Subaru STi Air Oil Separator-Return Kit
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Radium Engineering 2015+ Subaru STi Air Oil Separator-Return Kit
Air oil separator kit for the late model Subaru platforms. Includes all parts need to complete the installation. AOS is fully serviceable.This Part Fits: Year...
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Sale price$427.45 Regular price$449.95
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Radium Engineering 90-93 Acura Integra/88-91 Honda Civic CRX Fuel Hanger (wal F90000274/285) Radium Engineering 90-93 Acura Integra/88-91 Honda Civic CRX Fuel Hanger (wal F90000274/285)
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Radium Engineering 90-93 Acura Integra/88-91 Honda Civic CRX Fuel Hanger...
In-tank fuel pump hanger for Honda models. Compatible with Walbro F90000-series pumps or other pumps with similar form factor and wiring connections. Also compatible with...
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Sale price$204.20 Regular price$214.95
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Radium Engineering Fuel Hanger Evo X (No Pumps Included) Walbro F90000274/285 Radium Engineering Fuel Hanger Evo X (No Pumps Included) Walbro F90000274/285
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Radium Engineering Fuel Hanger Evo X (No Pumps Included) Walbro...
Newly redesigned in-tank fuel hanger for the Mitsubishi Evolution X. Can be used with single or dual pump. Compatible with Walbro F90000-series fuel pumps (aka...
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Sale price$503.45 Regular price$529.95
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Radium 2022+ Toyota GR86 / 2022+ Subaru BRZ Fuel Hanger (Pumps Not Included) Radium 2022+ Toyota GR86 / 2022+ Subaru BRZ Fuel Hanger (Pumps Not Included)
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Radium 2022+ Toyota GR86 / 2022+ Subaru BRZ Fuel Hanger...
Drop-in fuel pump hanger for the 2022+ Subaru BRZ, Toyota GR86. Can be used with one or two compatible fuel pumps (sold separately). E85 compatible.This...
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Sale price$503.45 Regular price$529.95
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Radium Engineering 89-05 Mazda MX-5 Fuel Filter Kit 10 Micron Stainless Filter Radium Engineering 89-05 Mazda MX-5 Fuel Filter Kit 10 Micron Stainless Filter
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Radium Engineering 89-05 Mazda MX-5 Fuel Filter Kit 10 Micron...
Fuel filter installation kit for 1989-2005 Mazda MX5 Miata. Replaces factory fuel filter and mount with Radium Engineering fuel filter. Plug and play installation. E85...
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Sale price$218.45 Regular price$229.95
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Radium Engineering 08-21 Subaru WRX STi (EJ257 Only) RA-Series Fuel Pressure Regulator Kit Radium Engineering 08-21 Subaru WRX STi (EJ257 Only) RA-Series Fuel Pressure Regulator Kit
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Radium Engineering 08-21 Subaru WRX STi (EJ257 Only) RA-Series Fuel...
Radium Engineering 08-21 Subaru WRX STi (EJ257 Only) RA-Series Fuel Pressure Regulator KitThis Part Fits: Year Make Model Submodel 2015-2021 Subaru WRX STI Base 2015...
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Sale price$256.45 Regular price$269.95
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Radium 93-95 Mazda RX7 FD (US) Fuel Hanger Surge Tank (Pumps Not Included) Walbro F90000267/274/285 Radium 93-95 Mazda RX7 FD (US) Fuel Hanger Surge Tank (Pumps Not Included) Walbro F90000267/274/285
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Radium 93-95 Mazda RX7 FD (US) Fuel Hanger Surge Tank...
In-tank fuel hanger surge tank for the Mazda RX-7 (FD generation). Can be set up with multiple pumps. Designed to eliminate any chance of fuel...
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Sale price$750.45 Regular price$789.95
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Radium Mazda RX7 FD Fuel Hanger Surge Tank Walbro GSS342 AEM 50-1200 - Pumps Not Included Radium Mazda RX7 FD Fuel Hanger Surge Tank Walbro GSS342 AEM 50-1200 - Pumps Not Included
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Radium Mazda RX7 FD Fuel Hanger Surge Tank Walbro GSS342...
In-tank fuel hanger surge tank for the Mazda RX-7 (FD generation). Can be set up with multiple pumps. Designed to eliminate any chance of fuel...
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Sale price$712.45 Regular price$749.95
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Radium 2022+ Subaru BRZ / Toyota GR86 Dual Catch Can Kit Fluid Lock Radium 2022+ Subaru BRZ / Toyota GR86 Dual Catch Can Kit Fluid Lock
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Radium 2022+ Subaru BRZ / Toyota GR86 Dual Catch Can...
Dual catch can kit for the 2022+ Subaru BRZ and Toyota GR86. PCV and crankcase kits included. Easy bolt-in installation.This Part Fits: Year Make Model...
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Sale price$427.45 Regular price$449.95
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Radium Engineering 2022+ Subaru BRZ / Toyota GR86 PCV Catch Can Kit - Fluid Lock Radium Engineering 2022+ Subaru BRZ / Toyota GR86 PCV Catch Can Kit - Fluid Lock
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Radium Engineering 2022+ Subaru BRZ / Toyota GR86 PCV Catch...
Single catch can kit for the 2022+ Subaru BRZ and Toyota GR86. Interfaces with the PCV valve line and installs the catch can in the...
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Sale price$218.45 Regular price$229.95
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Radium 2017+ Honda Civic Type-R Coolant Tank Kit Radium 2017+ Honda Civic Type-R Coolant Tank Kit
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Radium 2017+ Honda Civic Type-R Coolant Tank Kit
Coolant tank for the 2017+ Honda Civic Type-R (FK8 and FL5). Replaced OEM plastic tank. Easy bolt-in installation.This Part Fits: Year Make Model Submodel 2017-2021,2023-2025...
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Sale price$322.95 Regular price$339.95
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Radium 2017+ Honda Civic Type-R Fluid Lock Dual Catch Can Kit Radium 2017+ Honda Civic Type-R Fluid Lock Dual Catch Can Kit
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Radium 2017+ Honda Civic Type-R Fluid Lock Dual Catch Can...
Dual catch can kit for the 2017+ Honda Civic Type-R (FK8 and FL5). Includes catch cans for PCV line and for crankcase vent line. Features...
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Sale price$446.45 Regular price$469.95
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Radium 2017+ Honda Civic Type-R CCV Fluid Lock Catch Can Kit Radium 2017+ Honda Civic Type-R CCV Fluid Lock Catch Can Kit
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Radium 2017+ Honda Civic Type-R CCV Fluid Lock Catch Can...
Single catch can kit for the 2017+ Honda Civic Type-R (FK8 & FL5). Features Radium's patented Fluid Lock catch can. For crankcase breather hose (Front...
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Sale price$256.45 Regular price$269.95
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Radium Engineering 94-01 Acura Integra/ 92-00 Honda Civic Fuel Hanger For Walbro F90000267/274/285 Radium Engineering 94-01 Acura Integra/ 92-00 Honda Civic Fuel Hanger For Walbro F90000267/274/285
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Radium Engineering 94-01 Acura Integra/ 92-00 Honda Civic Fuel Hanger...
Radium Engineering 94-01 Acura Integra/ 92-00 Honda Civic Fuel Hanger For Walbro F90000267/274/285This Part Fits: Year Make Model Submodel 1997-2001 Acura Integra GS 1994-2001 Acura...
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Sale price$232.70 Regular price$244.95
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Radium Engineering 94-01 Acura Integra/ 92-00 Honda Civic Fuel Hanger For Walbro GSS342 or AEM 50-12 Radium Engineering 94-01 Acura Integra/ 92-00 Honda Civic Fuel Hanger For Walbro GSS342 or AEM 50-12
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Radium Engineering 94-01 Acura Integra/ 92-00 Honda Civic Fuel Hanger...
In-tank fuel pump hanger for the Civic and Integra. For use with Walbro GSS342 or AEM 50-1000/1200 pumps (or similar).This Part Fits: Year Make Model...
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Sale price$218.45 Regular price$229.95
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Radium Subaru Fuel Hanger For Walbro F90000267/274/285 - Pumps Not Included Radium Subaru Fuel Hanger For Walbro F90000267/274/285 - Pumps Not Included
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Radium Subaru Fuel Hanger For Walbro F90000267/274/285 - Pumps Not...
This drop-in fuel hanger replaces the factory in-tank unit and allows one or two aftermarket fuel pumps to be used. Single outlet. Works with factory...
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Sale price$512.95 Regular price$539.95
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Radium Subaru Fuel Hanger For Deatschwerks DW400 - Pumps Not Included Radium Subaru Fuel Hanger For Deatschwerks DW400 - Pumps Not Included
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Radium Subaru Fuel Hanger For Deatschwerks DW400 - Pumps Not...
This drop-in fuel hanger replaces the factory in-tank unit and allows one or two aftermarket fuel pumps to be used. Single outlet. Works with factory...
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Sale price$512.95 Regular price$539.95
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Radium Subaru Fuel Hanger For Walbro GSS342 or AEM 50-1200 - Pumps Not Included Radium Subaru Fuel Hanger For Walbro GSS342 or AEM 50-1200 - Pumps Not Included
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Radium Subaru Fuel Hanger For Walbro GSS342 or AEM 50-1200...
This drop-in fuel hanger replaces the factory in-tank unit and allows one or two aftermarket fuel pumps to be used. Single outlet. Works with factory...
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Sale price$493.95 Regular price$519.95
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Radium Mazda 1.6 B6 Fuel Rail Plumbing Radium Mazda 1.6 B6 Fuel Rail Plumbing
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Radium Mazda 1.6 B6 Fuel Rail Plumbing
Fittings for use with Radium fuel rail for the Mazda 1.6L engine that allow hookup of the factory fuel system and regualtor.This Part Fits: Year...
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Sale price$66.45 Regular price$69.95
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Radium Mazda 1.6 B6 Fuel Rail Radium Mazda 1.6 B6 Fuel Rail
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Radium Mazda 1.6 B6 Fuel Rail
Fuel rail for the 1.6 BP Mazda engine found in the Miata and other cars. Features 8AN ORB ports. No fittings included.This Part Fits: Year...
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Sale price$142.45 Regular price$149.95
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