GEMS Potbox

potbox main

The ideal tuning accessory for in car or dyno tuning

Designed to interface with GEMS calibration software GWv4, the GEMS Potbox provides an easy to use tuning accessory, giving excellent control over tuning modifiers like fuel and ignition. The GEMS Potbox can be used for tuning any ECU compatible with GWv4.


  • USB Connection to GWv4 software
  • No driver install needed, plug in and play
  • USB Cable included


  • 4 x rotary encoders with push button action
  • USB 2.0, HID device
  • Size: 117x79x40mm

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