Sunpro CP7215 Super III 3-3/8" Electronically Programmable Replacement Speedometer Works with most OE and aftermarket vehicle speed sensors Electronic programmable speedometer with backlit LCD odometer Features through-the-dial lighting and illuminated pointer and easy-to-use, one button calibration switch LCD display indicates odometer and trip odometer mileage Compatible with 3 3/8 inch diameter hole and installs in-dash for a professionally finished look