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Ignitions and Electrical› Computers, Chips, Modules and Programmers

Link ECU

G4X FuryX Engine Control Unit

Name: G4X FuryX Engine Control Unit
Brand: Link ECU
SKU: 122-4000

$2,887.99 $2,129.15 Save $758.84

SKU: 122-4000

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Overview

The LINK ECU G4X FuryX is a premium engine control unit designed for demanding performance and race applications. It supports up to 6 cylinders and offers extensive I/O, onboard Wideband Lambda, and E-Throttle control. The FuryX is built on Link's championship-winning G4X platform and includes features like Flex Fuel, Flexible Engine Protection Limiters, CAN Keypad Control, and data logging.

This ECU unlocks premium G4X features for complex street, race, and motorsport builds. It provides onboard Digital Wideband Lambda Control, programmable E-Throttle Control, Direct Automatic Transmission Control, dual CAN modules, a 3-axis accelerometer, and expanded I/O. Advanced motorsport features include Launch Control, Anti-Lag, Nitrous Control, Paddle Shift Control, Gear Shift Control, Traction Control, and Cruise Control. The FuryX is ideal for high-performance builds requiring flexibility, onboard Wideband Lambda, E-throttle control, and advanced features.

Show original supplier description

The Link ECU G4X FuryX (122-4000) is a premium engine control unit designed for professional motorsport and demanding road car applications. It offers a faster processor and improved communication speeds over G4+ models, alongside a substantial 512 megabytes of data logging capacity. This ECU is equipped with 8 injector drives and 6 ignition drives, enabling control of up to 3 rotors or 6 cylinders with sequential injection and direct spark capabilities. A key feature is the integrated Onboard Digital Wideband Lambda Controller, which enhances accuracy and simplifies setup. The FuryX also supports advanced features like E-throttle control, gear shift throttle blip, antilag, cruise control, traction control, and launch control. It includes 2 independent CAN modules and offers 30 general-purpose tables. The unit comes supplied with a USB tuning cable and mounting bracket. Note that 'A' & 'B' Looms or 'A' & 'B' Pin Kits are required for operation and are sold separately.

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	Link ECU
Part Number	122-4000
Category	Ignitions and Electrical

Videos

Link ECU Training | Lesson 1: Basic Setup

Essential Accessories for LINK G4X ECU | Maximize Performance & Engine Protection

SC300 LINK G4X FuryX ECU (Ep 9)

Link ECU Training | Lesson 2: Fuel/VE Tuning

"How To" Install and Download Data Logging using Link G4X

Link Engine Management Loading a Base Map

Pops and Bangs Ep 3: Which LINK ECU is RIGHT FOR YOU

How To... Fix An Incorrect Trigger Offset

Which ECU is for me?

Pops and Bangs Ep 2: Wire-In ECUs VS Plug-In ECUs

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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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