... Digital Boost Gauge (CR) 2.Digital auto gauge 3.US stepper motor 4.10 models 5.Black/White Panel New 60mm Digital Boost Gauge ... precise graduation scale give more needle accuracy and high visibility.Gauge can work individually without control unit.Openning and closing ... Oil Temp, Water Temp, Tachometer, Volt, Vacuum, Fuel Pressure, Air/Fuel Ratio, Exhaust Temp.Catalog/Price List is available when ...