Dakota digital 65 66 ford mustang analog gauges kit silver blue vhx-65f-mus-s-b each number, tick mark, annunciator, needle, indicator and digital message center is lit by a series of leds behind the gauge face. Speedometer 0-140 MPH (optional metric version 0-225 kmh) Tachometer 0-8000 RPM Oil Pressure 0-80 psi Water Temperature 100-260ºF (optional metric version 40-120ºC) Fuel Level E, 1/4, 1/2, 3/4, F Voltmeter 9-17 VDC.