AEM Digital Boost Gauge. -30~35psi 30-4406 Stainless Lines Absolute zero is the pressure

Absolute zero is the pressure measurement when all the pressure exerted by the atmosphere has been removed

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AEM Digital Boost Gauge. -30~35psi 30-4406 Stainless Lines Absolute zero is the pressureOVERVIEW AEM's Digital Boost Display Gauges combine unsurpassed accuracy, speed and control with an easy to read digital LED interface that displays boost in 1 PSI increments, and a sweeping LED "needle" that lines the edge and moves as boost from 0 to up to 50 PSI. The boost gauge's digital readout will automatically increase and decrease in intensity due to the built in ambient light sensing photocell. AEM's digital boost gauges include a 0 5v