AEM's Digital Boost Display Gauge combines accuracy, speed, and control with an easy-to-read digital LED interface displaying boost in 1 PSI increments, plus a sweeping LED needle that moves as boost changes. Brightness automatically adjusts via a built-in ambient light sensor, and a 0-5V analog output supports data loggers and engine management systems such as the Infinity ECU, Series 2 EMS, or AQ-1 Data Logger.
Specifications:
- Range: -30 in/Hg to 35 PSI
- Increment: 1 PSI
- Housing: 2-1/16 in. (52mm)
- Output: 0-5V analog
- Bezels: interchangeable black/silver
- Faceplates: black/white
- Warranty: Manufacturer's 1 Year Warranty
- Part Number: 30-4406
This product carries a California Proposition 65 warning per the manufacturer's data.
FAQ
What boost range does the 30-4406 gauge read?
-30 in/Hg (vacuum) to 35 PSI of boost, in 1 PSI increments.
What's included with the kit?
A plug-and-play harness, brass sensor, and interchangeable black/silver bezels with black/white faceplates.
Can it output to a data logger?
Yes, via a 0-5V analog output compatible with the Infinity ECU, Series 2 EMS, AQ-1 Data Logger, or similar systems.

