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Air and Fuel› Fuel Injection Systems and Components - Electronic

FiTECH FUEL INJECTION

Go EFI 4 Master Kit System Black Finish

Name: Go EFI 4 Master Kit System Black Finish
Brand: FiTECH FUEL INJECTION
SKU: F03O 31002

$1,272.99

SKU: F03O 31002

Free Shipping over $200

$100 Minimum Order

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Overview

The FiTech Go EFI 4 600 HP self-tuning fuel injection system is a throttle body style system designed for engines from 250 to 600 hp. It features an ECU mounted on the throttle body for a clean installation and includes a built-in fuel pressure regulator. This system offers the ability to change air/fuel ratios and ignition timing on the fly and can work with a CDI box to control timing.

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Go EFI 4 Master Kit System Black Finish

Vehicle Symptoms

Rough idle and stalling after cold start
Poor throttle response and hesitation on acceleration
Hard starting especially when engine is hot
Poor fuel economy with carburetor tuning issues
Inconsistent performance due to weather changes

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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

Brand	FiTECH FUEL INJECTION
Part Number	F03O 31002

Videos

FiTech Go EFI Overview & Installation with Chris Smith - Eastwood

EFI Handheld Initial Setup | Fitech EFI Install

Review of Go EFI 4 – 600 HP System with Two Guys Garage

Driving with Fitech Go EFI 400hp

Fuel Injection Conversion, Part 1: Why? And, why FiTech?

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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