MegaSquirt-III MS3X Expansion Card & Connector Kit cooing case Seamless integration with ECU tuning

Seamless integration with ECU tuning and datalogging

hardcore hobbyist racer providing an affordable engine management system built to support all facets of competitive racing

If you are using a factory harness and are after an easy ECU upgrade

the upgrade path is simple

MegaSquirt-III MS3X Expansion Card & Connector Kit cooing case Seamless integration with ECU tuningPut this small circuit board in your MegaSquirt III to unlock its full potential! This board installs in the MS3 case with no soldering; just connect it with the included ribbon cables. Install the MS3X board to add this whole list of inputs and outputs to the MS3 ECU: 8 Sequential fuel injection outputs. Each can drive a high impedance injector, and unused injection outputs can be put to other purposes. 8 Logic level 5 volt ignition outputs. Works