30-0312 AEM X-Series AEMnet Can Bus Gauge Kit30 0312 AEM X Series AEMnet Can Bus Gauge Kit AEM's X Series AEMnet CAN bus gauge (PN 30 0312) displays multiple channels of data from AEMnet CAN bus equipped devices it's like having multiple gauges in one display! The AEMnet CAN bus gauge connects to AEMnet equipped devices through a 4 pin DTM connector and displays data in either US or Metric units. View multiple data channels from an Infinity ECU, Series 2 or EMS 4 standalone, view AFR or Lambda