BD Power 03-06 6.0L Ford Speed Eliminator w/Tire Size Calibator

Is the factory 95mph speed limit not fast enough for you? How about 130mph+!!! Sounds great doesn`t it, all this new power and the top end MPH too. Easy underhood installation makes everything a breeze. Just be sure to have those Z rated tires handy. Designed for the 2003-06 6.0 engines. It will adjust the speedometer for diffrent tire sizes.