Collection: Fuel System
Reliable fuel delivery is the backbone of power. Upgraded fuel pumps, injectors, rails, and regulators ensure your engine gets the consistent fuel flow it needs — especially under boost or high-RPM demand. A stronger fuel system supports tuning headroom, prevents lean conditions, and unlocks the full potential of your performance upgrades. More fuel. More power. More confidence.
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In Stock
14-0763
Radium V2 Quick Connect Fitting
Regular price From $39.00Regular priceUnit price per -
In Stock
20-1005-V
Radium Remote Mount Fuel Filler, 1.5In, Vented
Regular price $319.00Regular priceUnit price per -
In Stock
20-0889
Radium Fuel Rail, Port Injection, Vw/Audi Ea888
Regular price $299.00Regular priceUnit price per -
In Stock
20-1322
Radium Fuel Pump Hanger Suit Walbro F90000267/274/285 - Holden Commodore VE VF/Chevolet Camaro SS 10-15
Regular price $1,285.00Regular priceUnit price per -
In Stock
20-1101-00
Radium RA Series FPR Fuel Pressure Regulator Conversion Kit
Regular price $148.00Regular priceUnit price per -
In Stock
20-0940
Radium Fuel Pump Hanger - Toyota Chaser/Mark II/Cresta JZX90/JZX100
Regular price $1,087.00Regular priceUnit price per -
In Stock
20-0909
Radium 10AN Male Press-In Valve Cover Fitting - Honda Civic/Integra/Accord (K Series)
Regular price $118.00Regular priceUnit price per -
In Stock
20-0808
Radium 10AN Male Press-In Valve Cover Fittings - Nissan Engines
Regular price $118.00Regular priceUnit price per -
In Stock
20-0792-00
Radium Single Fuel Pump Hanger - Honda Civic EG EK 92-00/Integra DC2 94-01
Regular price From $455.00Regular priceUnit price per -
In Stock
20-0766
Radium Fuel Rail Kit - Toyota GR Yaris XPA16R/GR Corolla GZEA14R
Regular price $296.00Regular priceUnit price per -
In Stock
20-0697-00
Radium Quick Fill Dump Can, 6Gal, Standard Filler
Regular price $296.00Regular priceUnit price per -
In Stock
20-0629-03
Radium Fuel Rail Plumbing Kit w/Filter - Subaru WRX 08-14/STI 08-21/FXT 08-13/LGT 04-09
Regular price From $949.00Regular priceUnit price per -
In Stock
20-0547
Radium Remote Mount Fill Neck - 24AN Elbow - 1.5" Barb
Regular price $277.00Regular priceUnit price per -
20-0503-PK
Radium Fuel Rail Plumbing - Mazda 3 MPS BK/BL/Mazda 6 MPS GG
Regular price $118.00Regular priceUnit price per -
In Stock
20-0503-02
Radium Fuel Rail - Mazda 3 MPS BK/BL/Mazda 6 MPS GG
Regular price $296.00Regular priceUnit price per -
In Stock
20-0484-12
Radium Fuel Cell Vent Kit - 12AN
Regular price $118.00Regular priceUnit price per -
In Stock
20-0447
Radium Fuel Rail, Top Feed Conversion, Mazda 13B-REW Secondary
Regular price $395.00Regular priceUnit price per -
In Stock
20-0443-00
Radium MPFST Multi-Pump Fuel Surge Tank Suit Ti Automotive E5LM, No Pumps
Regular price $1,087.00Regular priceUnit price per -
In Stock
20-0370-02
Radium Fuel Rail - Honda B-Series
Regular price $296.00Regular priceUnit price per -
In Stock
20-0360
Radium FCST Fuel Cell Surge Tank Fill Neck Block Off Kit
Regular price $69.00Regular priceUnit price per -
In Stock
20-0303
Radium FPR Adaptor 8AN ORB, 11mm Bore, 32mm Spacing, M5 - Subaru/Nissan/Mazda RX-7
Regular price $69.00Regular priceUnit price per -
20-0171-04
Radium Injector Seats for Top Feed Conversion Fuel Rails - Subaru
Regular price From $30.00Regular priceUnit price per -
In Stock
18-0043-06
Radium AN ORB Fitting Replacement Viton O-Ring 5 Pack
Regular price From $10.00Regular priceUnit price per -
In Stock
18-0015
Radium Fuel Cell 24 Bolt Flange Gasket
Regular price $79.00Regular priceUnit price per -
In Stock
14-0292
Radium PCV Delete Fitting 3/8BSPT to 10AN MALE - Subaru WRX 15-21/BRZ/Toyota 86
Regular price $39.00Regular priceUnit price per -
In Stock
14-0177
Radium AN Y Adaptor Block Fitting
Regular price $59.00Regular priceUnit price per -
In Stock
14-0119
Radium AN ORB to Female 1/8" NPT Adaptor Fitting
Regular price $30.00Regular priceUnit price per -
In Stock
20-0697-01
Radium Quick Fill Dump Can, 6Gal, 1.5" Dry Break
Regular price $791.00Regular priceUnit price per -
In Stock
20-0119-PK
Radium Fuel Rail Plumbing Kit - Mitsubishi Evo 7-9
Regular price $198.00Regular priceUnit price per -
In Stock
20-0113
Radium Fuel Surge Tank Install Kit - Mitsubishi Evo X
Regular price $731.00Regular priceUnit price per -
In Stock
18-0042
Radium Air Filter 0.75" ID
Regular price $59.00Regular priceUnit price per -
14-0118
Radium Engineering M14 Inverted Flare to 6AN Male Long (Honda Style)
Regular price $49.00Regular priceUnit price per -
343250
Cobb Tuning Fuel Rail Line Kit - Subaru STI 08-21
Regular price $690.00Regular priceUnit price per -
In Stock
3V1101
Cobb Tuning Fuel Pump Removal Tool - Audi A3, S3 8V/VW Golf GTI, R Mk7, Mk7.5
Regular price $19.00Regular priceUnit price per -
In Stock
3V1100
Cobb Tuning Fuel Pump Internals - Audi S3 8V/Volkswagen Golf GTI, R Mk7-7.5
Regular price $699.00Regular priceUnit price per -
In Stock
300105
Cobb Tuning 5/16" EFI Quick Disconnect Fitting w/1/8" NPT Tap
Regular price $50.00Regular priceUnit price per
