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 FCST-X Complete Refueling Kit - Direct Mount Standard Fill Radium Engineering FCST-X Complete Refueling Kit - Direct Mount Standard Fill
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Radium Engineering FCST-X Complete Refueling Kit - Direct Mount Standard...
Refueling kit for Radium Engineering FCST-X equipped fuel cells. Featuring a direct mounted fill neck with screw off cap, 8AN vent line and a standard...
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Sale price$313.95 Regular price$329.95
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Radium Engineering 99-05 Mazda MX-5 Fuel Pump Access Cover Radium Engineering 99-05 Mazda MX-5 Fuel Pump Access Cover
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Radium Engineering 99-05 Mazda MX-5 Fuel Pump Access Cover
Polycarbonate and aluminum access cover is installed over the fuel pump module area in the 1999-2005 Mazda Miata MX-5. This decorative cover provides a clear...
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Sale price$85.95 Regular price$89.95
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Radium Engineering Service Kit for Fuel Vent Charcoal Canister Radium Engineering Service Kit for Fuel Vent Charcoal Canister
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Radium Engineering Service Kit for Fuel Vent Charcoal Canister
Service kit for Radium charcoal canister products. Includes new activated carbon and screens.
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Sale price$28.95 Regular price$29.95
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Radium Engineering Fuel Vent Charcoal Canister for 3/4in Hose Radium Engineering Fuel Vent Charcoal Canister for 3/4in Hose
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Radium Engineering Fuel Vent Charcoal Canister for 3/4in Hose
Install in-line with the fuel tank vent hose to eliminate fuel smells outside of the vehicle. Universal use on any fuel tank. Includes mounting bracket...
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Sale price$265.95 Regular price$279.95
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Radium Engineering Fuel Vent Charcoal Canister - For 1/2in Hose Radium Engineering Fuel Vent Charcoal Canister - For 1/2in Hose
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Radium Engineering Fuel Vent Charcoal Canister - For 1/2in Hose
Install in-line with the fuel tank vent hose to eliminate fuel smells outside of the vehicle. Universal use on any fuel tank. Includes mounting bracket...
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Sale price$284.95 Regular price$299.95
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Radium Engineering Fuel Vent Charcoal Canister - Universal Radium Engineering Fuel Vent Charcoal Canister - Universal
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Radium Engineering Fuel Vent Charcoal Canister - Universal
Install in-line with the fuel tank vent hose to eliminate fuel smells outside of the vehicle. Universal use on any fuel tank. Includes mounting bracket...
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Sale price$237.95 Regular price$249.95
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Radium Engineering Injector Seat Adapter 14mm to 17mm O-ring 2mm Extension Radium Engineering Injector Seat Adapter 14mm to 17mm O-ring 2mm Extension
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Radium Engineering Injector Seat Adapter 14mm to 17mm O-ring 2mm...
Radium Engineering Injector Seat Adapter 14mm to 17mm O-ring 2mm Extension
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Regular price$9.95
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Radium Engineering Subaru Phase-I EZ30 Top Feed Conversion Fuel Rail Kit Radium Engineering Subaru Phase-I EZ30 Top Feed Conversion Fuel Rail Kit
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Radium Engineering Subaru Phase-I EZ30 Top Feed Conversion Fuel Rail...
CNC machined fuel rails for the Subaru 6-cylinder EZ30 engine (phase 1). Direct bolt-on fitment. Compatible with OEM or aftermarket fuel injectors. 8AN ORB female...
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Sale price$360.95 Regular price$379.95
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Radium Engineering Subaru EG33 Top Feed Conversion Fuel Rail Kit Radium Engineering Subaru EG33 Top Feed Conversion Fuel Rail Kit
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Radium Engineering Subaru EG33 Top Feed Conversion Fuel Rail Kit
Bolt-on top-feed fuel rail kit for the Subaru EG33 engine. Must use top feed-injectors. Reference the installation instructions for more info.
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Sale price$284.95 Regular price$299.95
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Radium Nissan RB26DETT Intake or Exhaust 16mm SAE Male Double Banjo Press-Fit Radium Nissan RB26DETT Intake or Exhaust 16mm SAE Male Double Banjo Press-Fit
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Radium Nissan RB26DETT Intake or Exhaust 16mm SAE Male Double...
This fitting presses into the OEM Nissan RB26DETT valve cover and provides large 16mm SAE males for connecting breather hoses.
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Sale price$56.95 Regular price$59.95
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Radium Engineering Low-Profile Swivel Banjo Service Kit Radium Engineering Low-Profile Swivel Banjo Service Kit
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Radium Engineering Low-Profile Swivel Banjo Service Kit
O-ring service kit for Radium low-profile banjo fittings. Includes parts to service two fittings of each -4AN, -6AN, -8AN or -10AN sizes.
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Sale price$18.95 Regular price$19.95
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Radium Engineering 10AN ORB to 10mm SAE Male Radium Engineering 10AN ORB to 10mm SAE Male
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Radium Engineering 10AN ORB to 10mm SAE Male
Universal crankcase ventilation valve. Designed for use with Radium Engineering oil catch cans.
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Sale price$37.95 Regular price$39.95
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Radium Dump Can Cap Assembly - Standard Filler Radium Dump Can Cap Assembly - Standard Filler
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Radium Dump Can Cap Assembly - Standard Filler
Replacement standard filler dump can cap with fill spout for Radium Engineering 6 gallon dump cans.
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Sale price$56.95 Regular price$59.95
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Radium Engineering PCV Valve 10AN ORB To .313in SAE Male Radium Engineering PCV Valve 10AN ORB To .313in SAE Male
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Radium Engineering PCV Valve 10AN ORB To .313in SAE Male
Billet aluminum PCV valve for use with Radium Engineering oil catch cans. Adapts to 5/16 SAE quick connect hose connection.
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Sale price$37.95 Regular price$39.95
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Radium Engineering Replacement Fuel Cell Can 22 Gallon Radium Engineering Replacement Fuel Cell Can 22 Gallon
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Radium Engineering Replacement Fuel Cell Can 22 Gallon
Replacement fuel cell outer can for Radium RA-series 22 gallon fuel cell. Powder coated aluminum.
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Sale price$569.95 Regular price$599.95
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Radium Engineering R06A Fuel Cell Can - 6 Gallon Radium Engineering R06A Fuel Cell Can - 6 Gallon
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Radium Engineering R06A Fuel Cell Can - 6 Gallon
Replacement 6 gallon fuel cell outer can for Radium RA-Series fuel cells. Bladder not included.
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Sale price$351.95 Regular price$369.95
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Radium Engineering  8AN ORB To Toyota Pressure Sensor Fitting Radium Engineering  8AN ORB To Toyota Pressure Sensor Fitting
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Radium Engineering 8AN ORB To Toyota Pressure Sensor Fitting
Adapter fitting for Toyot fuel pressure sensor as found on the GR Corolla. Adapts to 8AN ORB Male.
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Sale price$28.95 Regular price$29.95
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Radium Engineering R22A Replacement Fuel Bladder 22 Gal Radium Engineering R22A Replacement Fuel Bladder 22 Gal
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Radium Engineering R22A Replacement Fuel Bladder 22 Gal
Replacement fuel celll bladder for Radium RA-series 22 Gallon fuel cell. Includes baffling foam.
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Sale price$474.95 Regular price$499.95
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Radium Engineering R14A Fuel Cell Bladder - 14 Gallon Radium Engineering R14A Fuel Cell Bladder - 14 Gallon
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Radium Engineering R14A Fuel Cell Bladder - 14 Gallon
Replacement fuel cell bladder (only) for Radium RA-series fuel cells. This bladder comes with a unique serial number and FIA & SFI certifications. 14 Gallon...
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Sale price$446.95 Regular price$469.95
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Radium Engineering R11A Replacement Fuel Bladder 10.5 Gal Spare Tire Radium Engineering R11A Replacement Fuel Bladder 10.5 Gal Spare Tire
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Radium Engineering R11A Replacement Fuel Bladder 10.5 Gal Spare Tire
Replacement fuel cell bladder for the Radium RA-series fuel cell. 10.5 gallon spare tire. Includes SFI and FIA certification.
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Sale price$436.95 Regular price$459.95
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Radium Engineering R10A Fuel Cell Bladder - 10 Gallon Radium Engineering R10A Fuel Cell Bladder - 10 Gallon
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Radium Engineering R10A Fuel Cell Bladder - 10 Gallon
Replacement fuel cell bladder (only) for Radium RA-series fuel cells. This bladder comes with a unique serial number and FIA & SFI certifications. 10 Gallon...
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Sale price$436.95 Regular price$459.95
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Radium Engineering R06A Fuel Cell Bladder - 6 Gallon Radium Engineering R06A Fuel Cell Bladder - 6 Gallon
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Radium Engineering R06A Fuel Cell Bladder - 6 Gallon
Replacement fuel cell bladder (only) for Radium RA-series fuel cells. This bladder comes with a unique serial number and FIA & SFI certifications. 6 Gallon...
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Sale price$398.95 Regular price$419.95
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Radium Engineering Nissan S15 Silvia/200SX Dual Catch Can Kit Fluid Lock Radium Engineering Nissan S15 Silvia/200SX Dual Catch Can Kit Fluid Lock
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Radium Engineering Nissan S15 Silvia/200SX Dual Catch Can Kit Fluid...
Dual catch can kit for the Nissan S15 Silvia/200sx. Catch cans interface with both the PCV hose and crankcase vent line. All parts included for...
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Sale price$427.95 Regular price$449.95
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Radium Engineering Nissan S15 Silvia/200SX Catch Can Kit CCV Fluid Lock Radium Engineering Nissan S15 Silvia/200SX Catch Can Kit CCV Fluid Lock
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Radium Engineering Nissan S15 Silvia/200SX Catch Can Kit CCV Fluid...
Single catch can kit for the S15 Nissan Silvia/200sx (RHD) SR20DET. Interfaces with the crankcase vent line. Includes all parts needed for an easy bolt-in...
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Sale price$218.95 Regular price$229.95
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