Amazon.com: MaxTow Double Vision 30 PSI Turbo Boost/Vacuum Gauge Kit - Includes Electronic Pressure Sensor - White Gauge Face - Blue LED Dial - Analog & Digital Readouts - for Gas Trucks - 2-1/16" 52mm : Automotive
Auto Meter 3401-J Sport-Comp Mechanical 2-5/8" Boost / Vacuum Gauge | Behrents.com