Link ECU | G4X VR4Link | VR4X | Plug - In

Link ECU 223-4000

( 223-4000 )


Used for: Tuning the 4G63T engine commonly found in the Mitsubishi Galant VR-4.

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Link ECU | "G4X VR4Link VR4X"

  • Designed for: Mitsubishi VR4 | 4G63T Engine.
    Full list of suitable applications below.
  • The G4X VR4Link VR4X [with E-Throttle] is a Plug-In ECU developed by Link Engine Management, designed to maximise the potential of your car.
  • Link's VR4X ECU fits directly into the factory location, requires no alteration of the factory wiring loom / harness, and is designed to be simple to install.
  • This ECU works for manual transmissions only.
  • This product includes an Onboard 4 bar or 7 bar MAP Sensor, and most factory features are supported. Knock Control is not available on this ECU.
  • VR4Link VR4X supports the following vehicles: '87 - '92 Mitsubishi Galant VR-4 E38A [4G63T] | '87 - '92 Mitsubishi Galant VR-4 E39A [4G63T] | 1G DSM [4G63T].


Features | "G4X VR4Link VR4X"

Expansion Connector 1:

  • GND | Ground Sensor Only
  • +5V Out | Low Current +5V Supply
  • DI 6 | Digital Input for Switching Functions 
  • ANA VOLT 5 | Analog 0-5V Input
  • ANA VOLT 6 | Analog 0-5V Input
  • AN TEMP 3 | Temperature Sensor Input

Expansion Connector 2:

  • GND | Sensor Ground Only
  • +5V OUT | Low Current +5V Supply
  • AUX 9 | E-Throttle - can't be used as an AUX Out
  • AUX 10 | Auxiliary Output
  • ANA Volt 6 | Analog 0-5V Input
  • ANA Volt 7 | Analog 0-5V Input
  • ANA Volt 9 | Analog 0-5V Input
  • ANA Volt 10 | Analog 0-5V Input

G4X Plug-In Features:

  • Up to 6D Fuel & Ignition Mapping
  • Precision Closed Loop Cam Control (Four Cam | Independent Control)
  • Sequential Fuel Delivery
  • Digital Triggering, all OEM Patterns
  • 5D Boost Control
  • OEM Idle Hardware Supported
  • Motorsport features; Anti-Lag, Launch Control, Flat Shift
  • Continuous Barometric Correction [on board]
  • CAN Port
  • QuickTune - Automated Fuel Tuning
  • Individual Cylinder Correction
  • USB Tuning Cable included
  • Records into On-Board memory
  • Gear Compensations for Spark, Boost and Fuel
  • More...

Full Specification [Link ECU] 

Link ECU Supply, Installation & Calibration:

  • Redline Tuning can supply, install & calibrate both the Link G4X VR4Link VR4X ECU or any other Link Engine Management Product currently available.

Contact Redline Tuning 

Important Notes:

  • Please double check / cross reference your existing ECU's pinout with the images we have provided, to ensure connections are correct.

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  • Please note that we do not carry stock for all Link Engine Management products. If we do not have an item in stock it will be ordered for you, please allow up to 2 extra business days for us to process your order. If you need an item urgently, or would like to know if an item is in stock, please contact us here
  • Prices shown do not include VAT, this will be calculated and added at checkout for UK customers.
  • For international customers, sales tax will not be charged at checkout. You will be responsible for the VAT equivalent wherever you live. This will be charged by the courier prior to delivery. We have zero control over these charges and they vary by the destination country. We advise that you check before ordering if you are unsure.
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