AEM X-Series Boost Pressure Gauge -30inHg 35psi GaugeThe 52mm (2 1 16) AEM X Series Gauge features a four digit central readout and sweeping 24 color coded LED display, providing immediate reference to the sensor reading in real time. A 0 5V analog and an AEMnet (CAN bus) output is included and can be used with data loggers or aftermarket ECUs including the AEM Infinity Engine Management System Features 2 1 16" 52mm outer diameter mounting Displays both vacuum and boost Flashing warn alarm feature Peak