Rough Country Speedo Calibrator

The cab is where the trip is lived, and mud, gear and long days take a toll on it. Made: the Rough Country Speedo Calibrator. Fit it in a few minutes and keep the interior ready for the next trip.

The Rough Country Speedo Calibrator is a switches & electronic. Resets your speedometer to accurate readings for larger tires. It is covered by Rough Country's 1-year warranty.

At a Glance

• Brand: Rough Country
• Part Number: 90005_A
• Product Type: Switches & Electronics
• Warranty: 1-year warranty
• Country of Origin: United States

Features

• Resets your speedometer to accurate readings for larger tires
• Easy Plug and Play connection
• Updates OE ECM Shift Points to accommodate larger tires
• Recalibrates Electronic Stability Control to work with larger tires
• Option to return to stock settings

Download the latest software update here Rough Country's Speedometer Calibrator can only be used with one vehicle at a time. As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicles until the programmed vehicle is returned to stock settings. Diesel models only Does NOT fit Gas models, for gas models use Emissions Certifications: Not for sale or use in California.

Fitment

• Chevy Silverado 2500 HD (2017-2019)
• Chevy Silverado 3500 HD (2017-2019)
• GMC Sierra 2500 HD (2017-2019)
• GMC Sierra 3500 HD (2017-2019)

Installation Instructions

Download the installation instructions (PDF)

MPN 90005_A · UPC 843030171841