FAST EFI Fuel Systems & More

FAST (Fuel Air Spark Technology) is a leading developer of advanced EFI systems. With close relationships with its customers, FAST has been able to develop...

FAST (Fuel Air Spark Technology) is a leading developer of advanced EFI systems. With close relationships with its customers, FAST has been able to develop new technologies by simply listening to the needs of performance enthusiasts like you. In 2001, FAST became a member of the COMP Performance Group, allowing the company to conduct even more extensive R&D with a larger team of engineers. Today, FAST continues to develop cutting-edge fuel injection products, including a complete line of superior EFI systems, intake manifolds, throttle bodies, and other parts. Want the best in fuel injection systems...

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Results 1 - 25 of 557

FAST EZ-EFI 2.0 Self-Tuning Fuel Injection Systems 30400-KIT

Fuel Injection System, EZ-EFI 2.0 Self-Tuning, Black Anodized Throttle Body, 4-barrel Square Bore Flange, Kit

Part Number: FST-30400-KIT

3.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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FAST EZ-EFI Self-Tuning Engine Management Systems 30226

ECU Replacement for 30226-KIT

Part Number: FST-30226

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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FAST Diesel Nitrous Systems 82028

Nitrous System, Diesel Nitrous Kit

Part Number: FST-82028

Not Yet Reviewed

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FAST EZ-EFI Retro-Fit Color Touchscreens 170633-06KIT

Touch Screen Upgrade, 3.5 in. LCD, Fast EZ-EFI, Each

Part Number: FST-170633-06KIT

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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FAST EZ-EFI 2.0 Self-Tuning Fuel Injection Systems 30403-KIT

Fuel Injection System, EZ-EFI 2.0 Self-Tuning, Black Anodized Throttle Body, 4-barrel Square Bore Flange, Kit

Part Number: FST-30403-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST Fuel System Kits 307503-06

Fuel System, Pump, Regulator, Filter, Fittings, Clamps, Kit

Part Number: FST-307503-06

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST EZ-EFI Self-Tuning Engine Management Systems 304001

Engine Management System, EZ-EFI Self-Tuning, EZ-EFI 4 Injector Throttle Body, ECU, Wiring Harness, Kit

Part Number: FST-304001

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST XFI Sportsman EFI Engine Control Systems 303000

Engine Control System, XFI Sportsman EFI, ECU, Wiring Harness, Wide-band O2 Sensor, Kit

Part Number: FST-303000

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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FAST XFI Sportsman EFI Engine Control Systems 303004

Engine Management System, XFI Sportsman, ECU, Ignition Controller, 02 Sensor, Wiring Harness, Software, USB Cable, Chevrolet, LS, Kit

Part Number: FST-303004

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST EZ-EFI 2.0 LS Self-Tuning Engine Control Systems 30405-KIT

EZ-EFI 2.0 Self Tuning Engine Control System, GM, LS, Engine Swap, Kit

Part Number: FST-30405-KIT

1.2 out of 5 stars ( 5 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST Safe Shot Nitrous Systems 82357

Nitrous System, Safe Shot Kit

Part Number: FST-82357

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST Diesel Nitrous Systems 82028B

Nitrous System, Diesel Nitrous Kit, w/ Black Bottle

Part Number: FST-82028B

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

FAST Diesel Nitrous Systems 82028

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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FAST Perimeter Plate Nitrous Systems 82040

Nitrous Oxide System, Wet, 100-300 hp, 4-barrel Square Bore Plate, Carbureted, 10 lb. Bottle, Purple, Kit

Part Number: FST-82040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST Fuel System Kits 307500

Fuel System, EFI, Pump, Regulator, Filters, Y-Block, Fittings, Wiring, Universal, 30-70 psi., 450 gph., Kit

Part Number: FST-307500

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST Fuel System Kits 307503T-06

Fuel System, Pump, Regulator, Filter, Fittings, Clamps, Kit

Part Number: FST-307503T-06

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST Fuel System Kits 30402-FK

Fuel Pump, 65 psi, Fuel Pressure Regulator, Fuel Filter, Kit

Part Number: FST-30402-FK

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST Fuel System Kits 307501

ECU, Fast XFI, Fuel Injection, up to 1,900 hp, Universal, Kit

Part Number: FST-307501

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST Fuel System Kits 307502

Fuel Pump, 90 psi, Regulator, 30-70 psi Range, Fuel Filter, Fuel Line, Fittings, Clamps, Fuel Injection, Kit

Part Number: FST-307502

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST EZ-EFI 2.0 Replacement Computer Programmers 30633

Computer Programmer, Replacement, FAST EZ-EFI 2.0, Each

Part Number: FST-30633

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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FAST EZ-EFI Fuel Pump Relay Harnesses 30255

Fuel Pump Relay Harness, Fuel Injection System Component, FAST EZ-EFI, Each

Part Number: FST-30255

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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FAST EZ-EFI 2.0 Multi-Port Retro-Fit Kits 30404-KIT

EZ-EFI 2.0 Self Tuning Engine Control System - Multi-Port Retro-Fit Type, Kit

Part Number: FST-30404-KIT

3.2 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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FAST EZ-EFI 2.0 Replacement Engine Control Units 30326

Engine Control Unit, EZ-EFI 2.0 Replacement, ECU Fuel Injection System Component, FAST, Computer, Each

Part Number: FST-30326

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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FAST XFI Qwik Tune Calibration Selector Switch Kits 301409

Fuel Injection System Components, XFI, Qwik Tune, Calibration Selector Switch, up to 4 Calibrations, Kit

Part Number: FST-301409

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST EZ-EFI Fuel Pump Hose and Fitting Kits 307600-06

Fuel Pump Hose, Push Lock, -6 AN Diameter, Black Aluminum Fittings, 25ft. Length, Kit

Part Number: FST-307600-06

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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FAST EZ-EFI Fuel Pump Relay Harnesses 30313

Fuel Pump Relay Harness, FAST EZ-EFI, Each

Part Number: FST-30313

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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