Speedometer calibrator Rough Country

• Resets your speedometer to accurate readings for larger tyres
• Easy Plug and Play connection
• Updates OE ECM Shift Points to accommodate larger tyres
• Recalibrates electronic stability control to work with larger tyres
• Reads diagnostic codes like "check engine light"
• Option to return to stock settings

In the box:

• Speedometer recalibrator
• USB update cable

Notes:

• Fits gas models ONLY
• Does NOT fit diesel models
• One set can be used with one car ONLY, then it's blocked for any other