Link ECU | G4X StormX | Wire - In

Link ECU 108-4000

( 108-4000 )


Used as: A midsized aftermarket ECU that's packed full of features.

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Link Engine Management Logo | LINK ECUS IN ESSEX

Link ECU | "G4X StormX"

  • The Link G4X StormX ECU is Link Engine Management's latest version of their mid-sized ECU range. Featuring eight (8) injector & eight (8) ignition drives, it allows sequential injection & direct spark on engines up to eight (8) cylinders or four rotors.
  • The StormX features all of the upgrades of the AtomX & MonsoonX, but offers more advanced tuning features such as Onboard Knock Control, Stepper Motor Idle Control, Trigger Oscilloscope, Open / Closed Loop Boost Control etc.
  • It also includes most Motorsport features including Full Gear Shift Control, Antilag and Launch Control. 

Features | "G4X StormX"


  • 8 x Digital Inputs
  • 3 x Temperature Inputs
  • 8 x Analog Inputs
  • 2 x Trigger Inputs
  • 2 x Knock Inputs


  • 8 x Injector Drivers
  • 8 x Ignition Drivers
  • 8 x Auxiliary Drivers*
  • +5V Sensor Power Supply
  • +8V Sensor Power Supply

*Unused fuel / ignition drivers can be used as additional AUX outputs.


  • 1 x CAN Bus
  • 1 x USB Tuning Connection
  • Upgraded Communications Chip (8x faster than G4+ V2)

Advanced Features [Not found on smaller Link ECUs]:

  • Built in trigger oscilloscope.
  • Onboard Knock Control – support for two knock sensors wired directly to the ECU.  No external amplifier required.
  • Boost control can be open or closed loop with up to three switchable tables.
  • Idle valve solenoid or stepper motor control.
  • Rotary oil metering pump control.
  • Most Motorsport features including full gear shift control, antilag and launch control
  • Up to 4 fully variable closed loop VVT cams. 

Full Specification [Link ECU] 

Link ECU Supply, Installation & Calibration:

  • Redline Tuning can supply, install & calibrate both the Link G4X StormX ECU or any other Link Engine Management Product currently available in Essex, London and the South East of England.

Contact Redline Tuning 

Important Notes:

  • This product requires "A" & "B" Looms, or "A" & "B" connector kits.
  • 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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Used for: Custom wiring jobs utilising Link Wire - In ECU's.
  • 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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