This is the AEM Electronics Digital Boost Gauge. This 52mm gauge delivers unsurpassed accuracy and visibility that you can rely on. Each gauge includes a 24 color-coded (Red, Green, and Yellow) LED lights that will change from green to yellow to red for immediate reference to the boost levels, and an integrated three-digit display will reveal a real-time boost for your racecar, rally car, overlander or daily driver!
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