Description
Part Number: 31004
FiTech Go EFI 4 Power Adder 600 HP Master Kit with In-Line Fuel Pump
Upgrade your boosted or nitrous-fed engine with FiTech’s self-tuning electronic fuel injection solution. Designed for engines producing between 200 to 600 HP, the Go EFI 4 Power Adder combines high-performance fuel delivery with precise boost and timing control in a clean, throttle-body-mounted assembly.
Key Features
- ☑ For Boosted & Nitrous Engines: Integrated 2.5 Bar MAP sensor supports up to 21.7 psi of boost and single-stage wet nitrous setups.
- ☑ Self-Tuning Intelligence: Adaptive ECU automatically adjusts air-fuel calibration on the fly after simple initial setup.
- ☑ Integrated Electronics: Throttle-body-mounted ECU eliminates extra firewall boxes and unsightly engine bay wiring.
- ☑ Swirl Spray Annular Injectors: Four flow-matched 80 lbs/hr injectors with wet-flow annular discharge ensure complete fuel atomisation.
- ☑ Complete Master Kit: Includes 255 LPH in-line external fuel pump, fuel hose, 100/30-micron filters, fittings, and touch-screen controller.
- ☑ Precision Ignition Control: Programmable timing retard strategies for boost and nitrous applications, plus dual electric fan control.
Technical Specifications
| Manufacturer | FiTech Fuel Injection |
|---|---|
| Part Number | 31004 |
| Horsepower Rating | 200 – 600 HP |
| Throttle Body Mounting | 4150 Square Bore (Standard 4-Barrel) |
| Throttle Body Material & Finish | Die-Cast Aluminium, Matte Black |
| Airflow Capacity | 850 CFM |
| Injectors | 4 x 80 lbs/hr Flow-Matched Injectors |
| MAP Sensor | 2.5 Bar Internal MAP Sensor (Up to 21.7 psi Boost) |
| Fuel Pump Included | 255 LPH External In-Line Fuel Pump |
| Oxygen Sensor | Bosch 4.2 Wideband O2 Sensor |
What’s Included in the Box
- FiTech Go EFI 4 Power Adder Throttle Body Unit (Matte Black Finish)
- Handheld Touch-Screen Calibration Controller & Cable
- 255 LPH External High-Pressure In-Line Fuel Pump
- 20 ft High-Pressure EFI Fuel Line & Fitting Kit
- 100-Micron Pre-Filter & 30-Micron Post-Filter Assemblies
- Bosch Wideband Oxygen Sensor & Weld-In Stainless Bung
- Coolant Temperature & Throttle Position Sensors
- Wiring Harness & Mounting Hardware
At JP Racing, we source genuine FiTech motorsport products directly to guarantee uncompromised quality and reliability for UK automotive builds. Order your FiTech 31004 Go EFI 4 Power Adder Master Kit today to take advantage of rapid UK delivery and dedicated technical support from our experienced team.




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