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 SAE Fuel Level Sender 0-90 ohm 11.7IN - Shrouded Radium Engineering SAE Fuel Level Sender 0-90 ohm 11.7IN - Shrouded
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Radium Engineering SAE Fuel Level Sender 0-90 ohm 11.7IN -...
Stainless steel construction. Compatible with all fuel types. 5-bolt SAE standard pattern. 0-ohm empty, 90-ohm full.
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Sale price$94.95 Regular price$99.95
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Radium Engineering SAE Fuel Level Sender 0-90 ohm 8.0IN - Shrouded Radium Engineering SAE Fuel Level Sender 0-90 ohm 8.0IN - Shrouded
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Radium Engineering SAE Fuel Level Sender 0-90 ohm 8.0IN -...
Stainless steel fuel level sender for Radium fuel cells. 8" long. Suitable for Radium 6 gallon, 10 gallon and spare tire fuel cells.
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Radium Engineering FCST-X Refueling Kit - Remote Mount Standard Fill Radium Engineering FCST-X Refueling Kit - Remote Mount Standard Fill
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Radium Engineering FCST-X Refueling Kit - Remote Mount Standard Fill
Refueling kit for Radium Engineering FCST-X equipped fuel cells. Featuring remote mounted filler with screw off cap, 1.5" x 3ft fill hose, angled fill neck...
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Sale price$375.20 Regular price$394.95
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Radium Engineering FCST-X  Refueling Kit - Direct Mount Standard Fill Radium Engineering FCST-X  Refueling Kit - Direct Mount Standard Fill
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Radium Engineering FCST-X Refueling Kit - Direct Mount Standard Fill
Refueling kit for Radium Engineering FCST-X equipped fuel cells. Featuring a direct mounted fill neck with screw off cap and 8AN vent line.
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Sale price$123.45 Regular price$129.95
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Radium Engineering FCST-X Complete Refueling Kit - Remote Mount Standard Fill Radium Engineering FCST-X Complete Refueling Kit - Remote Mount Standard Fill
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Radium Engineering FCST-X Complete Refueling Kit - Remote Mount Standard...
Complete refueling kit for Radium Engineering FCST-X equipped fuel cells. Includes a remote mounted filler with screw-off cap, 1.5" x 3ft fill hose, angled fill...
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Sale price$531.95 Regular price$559.95
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Radium Engineering 2016+ Toyota Tacoma Dual Catch Can Kit - Fluid Lock Radium Engineering 2016+ Toyota Tacoma Dual Catch Can Kit - Fluid Lock
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Radium Engineering 2016+ Toyota Tacoma Dual Catch Can Kit -...
Dual catch can kit for the 2005-2023 Toyota Tacoma. Oil catch cans interface with both the crankcase vent line and PCV line. Catch cans collect...
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Sale price$460.70 Regular price$484.95
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Radium Engineering 2016+ Toyota Tacoma CCV Catch Can Kit - Fluid Lock Radium Engineering 2016+ Toyota Tacoma CCV Catch Can Kit - Fluid Lock
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Radium Engineering 2016+ Toyota Tacoma CCV Catch Can Kit -...
Single catch can kit for the 2005-2023 Toyota Tacoma. Interfaces with crankcase vent line. Kit includes all parts necessary for an easy bolt-in installation.
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Sale price$251.70 Regular price$264.95
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Radium Engineering 2016+ Toyota Tacoma PCV Catch Can Kit - Fluid Lock Radium Engineering 2016+ Toyota Tacoma PCV Catch Can Kit - Fluid Lock
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Radium Engineering 2016+ Toyota Tacoma PCV Catch Can Kit -...
Single catch can kit for the 2005-2023 Toyota Tacoma. Interfaces with the PCV valve line and helps keep oil and contaminants out of the induction...
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Sale price$218.45 Regular price$229.95
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Radium Engineering 89-97 Mazda MX-5 Fuel Pump Access Cover Radium Engineering 89-97 Mazda MX-5 Fuel Pump Access Cover
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Radium Engineering 89-97 Mazda MX-5 Fuel Pump Access Cover
Polycarbonate and aluminum access cover is installed over the fuel pump module area in the 1989-97 Mazda Miata MX-5. This decorative cover provides a clear...
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Sale price$85.45 Regular price$89.95
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Radium Engineering 08-14 Cadillac CTS-V Sedan / 11-15 Cadillac CTS-V Coupe Fuel Pump Access Cover Radium Engineering 08-14 Cadillac CTS-V Sedan / 11-15 Cadillac CTS-V Coupe Fuel Pump Access Cover
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Radium Engineering 08-14 Cadillac CTS-V Sedan / 11-15 Cadillac CTS-V...
Aluminum fuel pump access cover for the 2008-2015 Cadillac CTS(all). Requires drilling/cutting for installation. See website for more details.
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Sale price$47.45 Regular price$49.95
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Radium Engineering Universal Air Oil Separator (AOS-R) Radium Engineering Universal Air Oil Separator (AOS-R)
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Radium Engineering Universal Air Oil Separator (AOS-R)
This air/oil separator is designed to collect crankcase gasses and allow collected oil to drain back into the engine via gravity. Gasses are then vented...
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Sale price$303.95 Regular price$319.95
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Radium 2-Way Threaded Hose Separator Clamp Radium 2-Way Threaded Hose Separator Clamp
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Radium 2-Way Threaded Hose Separator Clamp
Single clamp with two positions. Anodized aluminum.
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Sale price$9.45 Regular price$9.95
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Radium Refueling Kit Remote Mount Standard Fill Radium Refueling Kit Remote Mount Standard Fill
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Radium Refueling Kit Remote Mount Standard Fill
Refueling kit for Radium Engineering FCST Fuel Cells. Includes a swiveling fill neck, 1.5" hose (3ft long) and receptacle for mounting on the body.
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Sale price$394.20 Regular price$414.95
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Radium Refueling Kit Direct Mount Standard Fill Radium Refueling Kit Direct Mount Standard Fill
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Radium Refueling Kit Direct Mount Standard Fill
Includes a short fill neck with a scew off cap and an 8AN size vent hose. A dump can is NOT included with this kit....
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Sale price$142.45 Regular price$149.95
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Radium Remote Mount 1.5in Dry Break Complete Refueling Kit Radium Remote Mount 1.5in Dry Break Complete Refueling Kit
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Radium Remote Mount 1.5in Dry Break Complete Refueling Kit
Complete refueling kit includes 6 gallon fuel jug with dry break fitting, fender mounted dry break recepticle, and filler hose and fill neck. Compatible with...
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Sale price$1,006.95 Regular price$1,059.95
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Radium Remote Mount Standard Fill Complete Refueling Kit Radium Remote Mount Standard Fill Complete Refueling Kit
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Radium Remote Mount Standard Fill Complete Refueling Kit
Complete kit includes 6 gallon fuel jug, fender mounted filler point, fill hose and fuel filler neck. Compatible with Radium FCST fuel cells.
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Sale price$503.44 Regular price$529.95
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Radium Direct Mount 1.5in Dry Break Complete Refueling Kit Radium Direct Mount 1.5in Dry Break Complete Refueling Kit
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Radium Direct Mount 1.5in Dry Break Complete Refueling Kit
Complete refueling kit includes 6 gallon fuel jug with dry break fitting and mating dry break fill neck for fuel cell. Also included is a...
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Sale price$759.95 Regular price$799.95
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Radium RB25DET 10AN Male Press-In Valve Cover Fitting - Intake & Exhaust Side Radium RB25DET 10AN Male Press-In Valve Cover Fitting - Intake & Exhaust Side
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Radium RB25DET 10AN Male Press-In Valve Cover Fitting - Intake...
This fitting presses into the Nissan RB25DET valve cover and will work on either intake or exhause side. Presents a swiveling 10AN male fitting for...
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Sale price$56.95 Regular price$59.95
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Radium Engineering Nissan S14/S15 SR20DET 10AN Male Press-Fit Valve Cover Fitting - Exhaust Side Radium Engineering Nissan S14/S15 SR20DET 10AN Male Press-Fit Valve Cover Fitting - Exhaust Side
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Radium Engineering Nissan S14/S15 SR20DET 10AN Male Press-Fit Valve Cover...
Press-in valve cover fitting for the Nissan S14/S15 SR20DET. Exhaust side. 10AN male connection.
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Sale price$56.95 Regular price$59.95
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Radium Engineering Nissan S13 SR20DET 10AN Male Press-Fit Valve Cover Fitting - Exhaust Side Radium Engineering Nissan S13 SR20DET 10AN Male Press-Fit Valve Cover Fitting - Exhaust Side
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Radium Engineering Nissan S13 SR20DET 10AN Male Press-Fit Valve Cover...
Press in valve cover fittings for the Nissan S13 SR20DET (red and black top). Exhaust side. Double sided 10AN male connections.
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Sale price$56.95 Regular price$59.95
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