AEM's X-Series Digital Boost Display Gauge combines a bright, larger LED display and a sweeping LED needle for quick reference, plus programmable peak/recall and user-selectable threshold warnings through two faceplate buttons. It's AEMnet CAN-bus enabled for daisy-chaining with an Infinity ECU, Series 2 EMS, AQ-1 Data Logger, or other AEMnet device, and includes a 0-5V analog output.
Specifications:
- Range: -30 in/Hg to 60 PSI / -1 to 4 BAR
- Bezel/Faceplate: Black, reversible PSI/BAR
- Housing: 2-1/16 in. (52mm)
- Output: 0-5V analog and AEMnet CAN-bus
- Note: silver bezel/white faceplate kit sold separately (30-0308-ACC)
- Warranty: Manufacturer's 1 Year Warranty
- Part Number: 30-0308
This product carries a California Proposition 65 warning per the manufacturer's data.
FAQ
What boost range does the AEM 30-0308 gauge display?
-30 in/Hg to 60 PSI, or -1 to 4 BAR in metric mode.
Can I switch between PSI and BAR?
Yes, the faceplate is double-sided (standard PSI on one side, metric BAR on the other) with calibration set via the gauge face buttons.
Does the gauge log data to an EMS?
Yes, via AEMnet CAN-bus daisy-chaining or the 0-5V analog output.

