If you're looking for a speed gauge that will really complement your FoMoCo ride while providing extremely accurate data, then consider installing AutoMeter Ford Masterpiece speedometers. These analog instruments feature incandescent lighting around the dial perimeter, a lit LCD odometer with two trip odometers, million-mile capability, and compatibility with most factory speed sensors. Not only can these units be calibrated with a simple 2-mile drive, but they can be recalibrated if you change tire size or gear ratios.