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FiTech 31004 Go EFI 4 600 HP System, Power Adder
FiTech 31004 Go EFI 4 600 HP System, Power Adder

FiTech 31004 Go EFI 4 600 HP System, Power Adder

Universal Fit, Throttle Body Injection Style, User Tunable, Self Tuning, Injectors Included

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FiTech 31004 Go EFI 4 600 HP System, Power Adder
FiTech 31004 Go EFI 4 600 HP System, Power Adder
FiTech 31004 Go EFI 4 600 HP System, Power Adder
FiTech 31004 Go EFI 4 600 HP System, Power Adder
FiTech 31004 Go EFI 4 600 HP System, Power Adder
FiTech 31004 Go EFI 4 600 HP System, Power Adder
FiTech 31004 Go EFI 4 600 HP System, Power Adder
FiTech 31004 Go EFI 4 600 HP System, Power Adder
FiTech 31004 Go EFI 4 600 HP System, Power Adder
FiTech 31004 Go EFI 4 600 HP System, Power Adder
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We estimate this item will ship on or before June 4th.
Part # 52131004
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Injection Style:
Throttle Body
User Tunable:
Self Tuning:
Injectors Included:
Injector Size:
80 lbs./hr.
Intake Manifold Included:
Metering Style:
Speed density
850 CFM
Throttle Body Material:
Cast Aluminum
Throttle Body Flange Type:
4-Barrel Square Bore
Venturi Quantity:
Fuel Pump Included:
Fuel Rails Included:
Calibration Module Included:
ECM Included:
Fuel Pressure Regulator Included:
IAC Motor Included:
IAT Sensor Included:
TPS Sensor Included:
Venturi Diameter:
MFG. Part #:
GTIN Code:
Sold in Quantity:


Sometimes you are looking for a little bit more than the standard setup. Maybe you have a weekend cruiser that you have big plans for in the future or maybe you are building a wild, high HP car or truck. Whatever your needs are, FiTech has modern fuel injection kits for any application at an affordable price.

FiTech recognized the need for a fuel injection unit that is compatible in nitrous and boosted applications. They understand that not everyone has a mild weekend cruiser tucked away in the shop. The Fitech Go EFI Power Adder 600HP Kit is just what you need for your boosted or nitrous powered engine. This system can be used in blow thru turbo, blower, or roots style supercharger configurations, capable of handling 25 lbs of boost. Can also be used in single stage wet nitrous systems with the ability to control A/F mixtures and ignition timing. Features Nitrous and Boost timing retard functions, making this a perfect fuel injection system to add to your high horsepower engine.

All the same standard features of FiTech fuel injection with the added control over boosted and nitrous applications. This system also works well in naturally aspirated applications, in case you have big plans for the future! FiTech has revolutionized the aftermarket fuel injection industry by providing affordable fuel injection kits for all your needs - From a mild 350 small block to a big cubic inch turbo motor, you can trust that FiTech has just the right set up for your needs!

Kit Includes:

  • Die Cast Throttle Body
  • Handheld Controller
  • Windshield Mount
  • (4) Hi-Flow 600 HP injectors
  • Built-in pressure regulator
  • 2.5 BAR Internal MAP Sensor
  • Throttle Position Sensor
  • Idle Air Control
  • Coolant Temp Sensor
  • Wide band O2 Sensor
  • O2 Bung Kit
  • -06AN Fuel Inlet Fitting
  • Gasket Kit


  • Boost Ready Throttle Body
  • Boost Ready ECU 2.5 Bar MAP sensor good for 21.7 PSI  
  • NITROUS control with a host of safety features and accessories for Nitrous tuning  
  • Nitrous and Boost specific target A/F target options
  • Boost and Nitrous timing retard strategies 
  • 2 fan control (can set at separate temperatures)   
  • Air-conditioning idle speed input kick up  
  • Advanced hand Held Tuning Mode Enabled  
  • Pro Laptop Software, complete tuning for professional tuners    
  • You also get the standard features included in ALL of the Go EFI Systems: 
  • (4) Hi-Flow 600 HP injectors  
  • Initial setup is quick and easy. Simple touch screen selections get you up and running in minutes  
  • Self-tuning After startup the ECU immediately takes over and provides your vehicle with an optimum tune   
  • Basic install can be done with just 4 wires and 2 sensors to install   
  • The ECU is mounted on the throttle body so there is NO external boxes or harnesses to clutter up your engine compartment or under dash. This saves you a huge amount of time and keeps things simple and neat   
  • Uses a Bosch 4.2 wide band O2 sensor while all other sensors are easily replaceable GM style parts   
  • Throttle bodies have a completely universal base to fit any 4-bbl manifold  
  • Throttle Linkage suits most transmissions 
  • Choice of three fuel inlet connections   
  • All Go-EFI’s feature Voltage Control fuel pump control. This feature reduces the voltage to the pump under low load conditions such as idle and cruise thus reducing noise and heat. This will extend the life of your pump and keep the fuel in the tank cooler and your ears from ringing  
  • Go-EFI Systems feature Wet flow technology and have a unique Swirl Spray Annular discharge design that assures complete atomizationCOMPLETE ATOMIZATION!! Check out our videos, you need to see it   
  • Ignition timing can be controlled and adjusted on the fly from your touch screen controller   
  • Air Fuel ratios can be optimized on the fly as you drive! Try that with your Carb  
  • Will work with CDI box but not required to control timing  
  • Built in Fuel pressure regulator. No extra regulator to mount on your fire wall   
  • Use of ignition timing control is optional and not required   
  • Ignition timing control does not learn, and requires synchronizing distributor to engine with a timing light

Quick Start Guide - Handheld Controller (PDF)

Handheld Controller Feature Definitions (PDF)


Instructions (PDF)

Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for FiTech to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
Some parts are not legal for use in California or other states with similar laws/regulations

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