Product details:

Accurate In-Dash Readout. When you need to install bigger tires on your truck, your speedometer may need to be updated to ensure accurate readouts. This Rough Country Speedometer Recalibration Tool addresses that. It has been specially engineered to correctly track the speed of your vehicle based on its new height. It also has an option to return your truck’s onboard ECM to its factory settings when re-fitting your vehicle with factory-level tires. Compact Design and Simple to Use. The Rough Country Speedometer Recalibration Tool is a compact device. You can take it anywhere and quickly plug it to your truck’s Ecm, so you can instantly update your vehicle’s in-dash readout as the situation requires. Simple to Install. This Speedometer Recalibration Tool comes with all the parts needed for a simple, plug-and-play setup. It connects to your truck’s Diagnostic Link Connector Port in less than 5 minutes.