ATI MG001I-005 ProCharger-branded Mechanical Boost/Vac Gauge 

Product Information
ProCharger-branded AutoMeter Mechanical Boost/Vac Gauge
20psi, 2-1/16", Black Face, Full Sweep
Includes Sending Unit and Connectors
AutoMeter 3301

Sport-Comp analog gauges are the signature models of the entire company line. With rugged race styling and unmatched performance, these gauges have been in more winning vehicles than any other gauge on the market today. They're available to monitor data for nearly two dozen automotive functions. Size, range, and sending unit options are also offered. When you're ready to race, be sure your vehicle is equipped with Sport-Comp instrumentation.