The in-dash electrical tachs and programmable speedometers come in both a 5" monster size and the standard 3-3/8" size. Electronic programmable speedometers feature push-button calibration that's easy to set while driving and will provide an accurate MPH reading regardless of your tire size. See below for required speedometer senders.
Resettable Trip odometer.
Will work with most factory sensors. If sender may be required, see model 5291