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FiTech Go Street EFI 400 HP Self-Tuning Fuel Injection Systems 31003 System, 400HP Self-Tuning, Throttle Body, Injectors, ECM, Kit

SKU: FIF31003

Fuel Injection Systems

FiTech Go Street EFI 400 HP Self-Tuning Fuel Injection Systems 31003 System, 400HP Self-Tuning, Throttle Body, Injectors, ECM, Kit

SKU: FIF31003

Fuel Injection Systems
A$2,820.99
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
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Description

Fuel Injection System, Go Street EFI 400HP Self-Tuning, Throttle Body, Injectors, ECM, Kit

These FiTech Go Street EFI fuel injection systems are tailored for 400 hp engine for both pump gas and E85 applications, and serve as a true carburetor replacement. These self-tuning, 4-injector throttle bodies simply swap out your current 4-barrel carburetor for EFI performance. You don't have to mess with the ignition at all.

Features include:
* Self-tuning fuel injection
* Latest Bosch 4.2 wideband O2 sensor
* ECU is mounted on throttle body
* Universal base fits any 4-barrel manifold
* Throttle linkage suits most transmissions
* 3 fuel inlet connections
* Voltage control fuel pump control
* Wet flow technology
* Swirl spray annular discharge design
* Built-in fuel pressure regulator
* Designed for applications making at least 6 inches of vacuum at idle

Part Type

Go Street EFI System Master Kit 400HP

Data: v4.2 - Upd: 2026-09-29 00:31:53

Specifications

Product Attributes - Brand
FiTech Fuel Injection
Product Attributes - Manufacturer's Part Number
31003
Product Attributes - Part Type
Fuel Injection Systems
Product Attributes - Product Line
FiTech Go Street EFI 400 HP Self-Tuning Fuel Injection Systems
Product Attributes - UPC
854549007026
Product Attributes - Fuel Injection Style
Throttle body
Product Attributes - Fuel Injection System Type
Single 4-Barrel Throttle Body (4150 Flange)
Product Attributes - Maximum Horsepower with Gas
400
Product Attributes - Timing Control Compatible
No
Product Attributes - ECM Included
Yes
Product Attributes - Self Tuning
Yes
Product Attributes - User Tunable
Yes
Product Attributes - Fuel System Included
Inline pump kit
Product Attributes - Fuel Pump Flow Rating (lph)
255
Product Attributes - Ignition System Included
None
Product Attributes - Power Distribution Included
None
Product Attributes - User Interface Included
4.5 in. display
Product Attributes - EGR
No
Product Attributes - Transmission Controller Included
No
Product Attributes - Metering Style
Speed density (Map-N) or speed throttle (Alpha-N)
Product Attributes - Multi-Port Fuel Rails Included
No
Product Attributes - Throttle Body Included
Yes
Product Attributes - Throttle Body Mounting Flange
4-barrel square bore
Product Attributes - Venturi Quantity
4
Product Attributes - Venturi Diameter (mm)
44.45mm
Product Attributes - Airflow Rate (cfm)
850 cfm
Product Attributes - Throttle Body Material
Cast aluminum
Product Attributes - Throttle Body Color
Natural
Product Attributes - Injectors Included
Yes
Product Attributes - Injector Size (lbs/hr)
56 lbs./hr.
Product Attributes - Calibration Module Included
Yes
Product Attributes - Wiring Harness Included
Yes
Product Attributes - Oxygen Sensor Included
Yes
Product Attributes - Fuel Pressure Regulator Included
Yes
Product Attributes - MAP Sensor Included
Yes
Product Attributes - IAT Sensor Included
Yes
Product Attributes - TPS Sensor Included
Yes
Product Attributes - IAC Motor Included
Yes
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Kit includes an inline fuel pump kit.

Reference Information

Brand Name/s Fitech Fuel Injection
StreetFX SKU fif31003
SFX Item ID 5177989
Supplier Item Code 5177989
Manufacturer SKU 31003
Manufacturer UPC 854549007026
Alternative References FIT31003, 400HP

Compatibility

Application Data
  • UniversalYes
    Fuel TypeALCOHOL
  • UniversalYes
    Fuel TypeFLEX
    Application NotesE85 requires 30 percent more fuel to equal the same power level, confirm your EFI system is capable of flowing the extra E85 to reach horsepower goals.
  • UniversalYes
    Fuel TypeGAS
  • UniversalYes
    Fuel TypeMETHANOL

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