Mychron 4 Gold Expansion Box

Upgrade your Mychron 4 Basic with speed, two extra heat sensor ports (3 total) and track mapping without buying a whole new gauge! The functions provided by the E-Box are similar to the MyChron3 Gold features. In developing the E-box, AIM Sports leveraged CAN (controller area network) technology from the automotive racing world. Simply connect the E-box to the MyChron4 and the extra functions are instantly enabled.

Includes - Mychron E-Key USB Download Key with Updated Firmware, CD-ROM with Race Studio 2 and Speed Sensor