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 Nissan R35 GT-R Fuel Filter Mounting Kit Radium Engineering Nissan R35 GT-R Fuel Filter Mounting Kit
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Radium Engineering Nissan R35 GT-R Fuel Filter Mounting Kit
Specially designed bracket mounts to factory locations on the Nissan R35 chassis and allows installation of a Radium Engineering high-flow fuel filter. Must be used...
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Sale price$166.20 Regular price$174.95
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Radium Engineering Mazda 20B-REW Secondary Fuel Rail (6 Port) Radium Engineering Mazda 20B-REW Secondary Fuel Rail (6 Port)
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Radium Engineering Mazda 20B-REW Secondary Fuel Rail (6 Port)
This Radium Engineering secondary fuel rail is for AFTERMARKET 6-port intake manifolds that are produced for the Mazda 20B-REW rotary engine. The aluminum fuel rail...
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Sale price$246.95 Regular price$259.95
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Radium Engineering IACV Spacer Kit - S14/15 Radium Engineering IACV Spacer Kit - S14/15
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Radium Engineering IACV Spacer Kit - S14/15
INSTALLATION INSTRUCTIONS AVAILABLE AT RADIUMAUTO.COMThis Part Fits: Year Make Model Submodel 1995-1998 Nissan 240SX Base 1997-1998 Nissan 240SX LE 1995-1998 Nissan 240SX SE
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Sale price$66.45 Regular price$69.95
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Radium Engineering 06-09 Honda S2000 Fuel Surge Tank Kit (FST Not Incl) Radium Engineering 06-09 Honda S2000 Fuel Surge Tank Kit (FST Not Incl)
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Radium Engineering 06-09 Honda S2000 Fuel Surge Tank Kit (FST...
Radium Engineering 06-09 Honda S2000 Fuel Surge Tank Kit (FST Not Incl)This Part Fits: Year Make Model Submodel 2006-2009 Honda S2000 Base 2008-2009 Honda S2000...
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Sale price$327.70 Regular price$344.95
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Radium Engineering Catch Can Kit S2000 All RHD and 06-09 LHD PCV Fluid Lock Radium Engineering Catch Can Kit S2000 All RHD and 06-09 LHD PCV Fluid Lock
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Radium Engineering Catch Can Kit S2000 All RHD and 06-09...
Single catch can kit for the 06-09 Honda S2000. Interfaces with PCV valve hose. Fittings and hoses included. Includes Radium's Fluid Lock catch can (patent...
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Sale price$251.70 Regular price$264.95
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Radium Engineering Catch Can Kit S2000 All RHD and 06-09 LHD Crankcase Fluid Lock Radium Engineering Catch Can Kit S2000 All RHD and 06-09 LHD Crankcase Fluid Lock
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Radium Engineering Catch Can Kit S2000 All RHD and 06-09...
Single catch can kit for the 06-09 Honda S2000. Crankcase vent hose. Fittings and hoses included. Includes Radium's Fluid Lock catch can (patent pending).This Part...
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Sale price$218.45 Regular price$229.95
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Radium Engineering FCST-X For External Pumps Radium Engineering FCST-X For External Pumps
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Radium Engineering FCST-X For External Pumps
Drop-in surge tank system for competition fuel cells. Designed for use with external or mechanical fuel pumps. Easily serviceable with new lift-out fuel pump modules.
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Sale price$807.45 Regular price$849.95
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Radium Engineering FCST-X Brushless Ti Automotive E5LM Fuel Cell Surge Tank (Pumps NOT Included) Radium Engineering FCST-X Brushless Ti Automotive E5LM Fuel Cell Surge Tank (Pumps NOT Included)
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Radium Engineering FCST-X Brushless Ti Automotive E5LM Fuel Cell Surge...
Drop-in surge tank system for competition fuel cells. Designed TI Automotive E5LM brushless fuel pumps (sold separately). Easily serviceable with new lift-out fuel pump modules.
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Sale price$854.95 Regular price$899.95
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Radium Engineering FCST-X 3 Surge Tank Pumps And 1 Lift Pump Included (Walbro F90000274) Radium Engineering FCST-X 3 Surge Tank Pumps And 1 Lift Pump Included (Walbro F90000274)
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Radium Engineering FCST-X 3 Surge Tank Pumps And 1 Lift...
Drop-in surge tank system for competition fuel cells. Designed for Walbro F90000-series pumps. One lift pump and three primary pumps included. Easily serviceable with new...
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Sale price$1,462.95 Regular price$1,539.95
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Radium Engineering FCST-X 2 Surge Tank Pumps And 1 Lift Pump Included (Walbro F90000274) Radium Engineering FCST-X 2 Surge Tank Pumps And 1 Lift Pump Included (Walbro F90000274)
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Radium Engineering FCST-X 2 Surge Tank Pumps And 1 Lift...
Drop-in surge tank system for competition fuel cells. Designed for Walbro F90000-series pumps. One lift pump and two primary pumps included. Easily serviceable with new...
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Sale price$1,310.95 Regular price$1,379.95
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Radium Engineering FCST-X Surge Tank Pumps and 1 Lift Pump Included Walbro F90000274 Radium Engineering FCST-X Surge Tank Pumps and 1 Lift Pump Included Walbro F90000274
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Radium Engineering FCST-X Surge Tank Pumps and 1 Lift Pump...
Drop-in surge tank system for competition fuel cells. Designed for Walbro F90000-series pumps. One lift pump and one primary pump included. Easily serviceable with new...
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Sale price$1,158.95 Regular price$1,219.95
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Radium Engineering FCST-X Pumps Not Included (Walbro F90000267/274/285) Radium Engineering FCST-X Pumps Not Included (Walbro F90000267/274/285)
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Radium Engineering FCST-X Pumps Not Included (Walbro F90000267/274/285)
Drop-in surge tank system for competition fuel cells. Designed for Walbro F90000-series pumps (no pumps included). Easily serviceable with new lift-out fuel pump modules.
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Sale price$854.95 Regular price$899.95
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Radium Engineering FCST-X Pumps Not Included (Bosch BR540 or DW400) Radium Engineering FCST-X Pumps Not Included (Bosch BR540 or DW400)
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Radium Engineering FCST-X Pumps Not Included (Bosch BR540 or DW400)
Drop-in surge tank system for competition fuel cells. Designed for Bosch BR540 style pumps (pumps sold separately). Easily serviceable with new lift-out fuel pump modules.
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Sale price$854.95 Regular price$899.95
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Radium Engineering FCST-X 3 Surge Tank Pumps And 1 Lift Pump Included (Walbro GSS342) Radium Engineering FCST-X 3 Surge Tank Pumps And 1 Lift Pump Included (Walbro GSS342)
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Radium Engineering FCST-X 3 Surge Tank Pumps And 1 Lift...
Drop-in surge tank system for competition fuel cells. Single lift pump and three primary pumps included. Easily serviceable with new lift-out fuel pump modules.
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Sale price$1,196.95 Regular price$1,259.95
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Radium Engineering FCST-X 2 Surge Tank Pumps And 1 Lift Pump Included (Walbro GSS342) Radium Engineering FCST-X 2 Surge Tank Pumps And 1 Lift Pump Included (Walbro GSS342)
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Radium Engineering FCST-X 2 Surge Tank Pumps And 1 Lift...
Drop-in surge tank system for competition fuel cells. Single lift pump and two primary pumps included. Easily serviceable with new lift-out fuel pump modules.
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Sale price$1,111.45 Regular price$1,169.95
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Radium Engineering FCST-X 1 Surge Tank Pumps And 1 Lift Pump Included (Walbro GSS342) Radium Engineering FCST-X 1 Surge Tank Pumps And 1 Lift Pump Included (Walbro GSS342)
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Radium Engineering FCST-X 1 Surge Tank Pumps And 1 Lift...
Drop-in surge tank system for competition fuel cells. Single lift pump and primary pump included. Easily serviceable with new lift-out fuel pump modules.
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Sale price$1,025.95 Regular price$1,079.95
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Radium Engineering FCST-X Pumps Not Included (Walbro GSS342 or AEM 50-1200 or DW440) Radium Engineering FCST-X Pumps Not Included (Walbro GSS342 or AEM 50-1200 or DW440)
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Radium Engineering FCST-X Pumps Not Included (Walbro GSS342 or AEM...
Drop-in surge tank system for competition fuel cells. Can be used with up to three fuel pumps. Easily serviceable with new lift-out fuel pump modules....
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Sale price$854.95 Regular price$899.95
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Radium Engineering Fuel Surge Tank Regulated (Pump Not Included) Radium Engineering Fuel Surge Tank Regulated (Pump Not Included)
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Radium Engineering Fuel Surge Tank Regulated (Pump Not Included)
Updated design for 2023. Fuel surge tank with integrated fuel pressure regulator. Utilizes an internal fuel pump (sold separately). Separate fuel pressure regulator not needed....
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Sale price$503.45 Regular price$529.95
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Radium Engineering FHST - 350Z/G35/G37/Q50/Q60 (Pumps Not Included) Radium Engineering FHST - 350Z/G35/G37/Q50/Q60 (Pumps Not Included)
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Radium Engineering FHST - 350Z/G35/G37/Q50/Q60 (Pumps Not Included)
Drop-in fuel pump hanger with built-in anti-starvation surge tank. Set up to use Ti Automotive "450" style pumps or DW440 pumps.
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Sale price$712.45 Regular price$749.95
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Radium Nissan 350Z/G35/G37/Q50 Fuel Hanger Surge Tank (Pumps Not Included) Walbro GSS342/AEM 50-1200 Radium Nissan 350Z/G35/G37/Q50 Fuel Hanger Surge Tank (Pumps Not Included) Walbro GSS342/AEM 50-1200
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Radium Nissan 350Z/G35/G37/Q50 Fuel Hanger Surge Tank (Pumps Not Included)...
Drop-in fuel pump hanger with built-in anti-starvation surge tank. Set up to use Walbro "255" style pumps.
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Sale price$712.45 Regular price$749.95
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