The AutoMeter 3-3/8-inch programmable electronic speedometer simplifies speed calibration with easy setup and broad compatibility with most factory speed senders. Calibration can be completed with a short road drive or by using Autometer's optional GPS speedometer sender; the unit includes a lit LCD odometer capable of registering up to one million miles for reliable long-term tracking.
Autometer Ford 3-3/8in. 160MPH Electric Programmable Speedometer Gauge