1979-1986 Ford Mustang Fox body instrument cluster. Upgrade your instrument cluster with this colored LED cluster. Speedometer reads up to 255 MPH includes one button calibration regardless of tire size gear ratio or transmission odometer trip meter high speed recall 0-60 time and quarter mile elapsed time all with the push of a button. Tachometer features a custom-designed LED bar graph the unit is microprocessor controlled with peak rpm memory recall and automatic night dimming shift light and RPM activated switch that can handle 3 amps. It has a 0-9999 readout in 100 10 or 1 RPM increments (ex. 9900 9990 9999). It works on 1-2-4-6-8-10-12-cylinder engines. Voltmeter with high and low voltage reads from 10.0 to 18.0 and no sending unit required. Oil Pressure Gauge reads from 0-100 psi