Coming to the rescue is Bully Dog Technologies the leader in truck performance products with their brand new Tire Size Calibration Tool, the tool electronically adjusts the speedometer according to the overall tire diameter, the tool can make adjustments for tire diameters up to 45 inches.
To get your truck dialed in visit your local wheel & tire, off road or performance shop, you can also log onto www.bullydog.com to locate a business near you that offers the Bully Dog Technologies Speedometer Calibration Tool.

Bully Dog Technologies, LLC is a team built on integrity that is dedicated to leading the vehicle performance with an uncompromising code of ethics demonstrated in the soundness of its employees, excellent customer service and superior products.