The Chevrolet Silverado 3500 HD Speedometer Calibrator by Rough Country is the ideal solution for those who have upgraded their vehicle with larger tires. This inline device, designed for the '17-'19 models, allows you to easily reprogram your speedometer to match your new tire size, ensuring accurate speed readings.

This easy-to-use Speedometer Calibrator connects directly to your vehicle’s Diagnostic Link Connector Port. With just a few simple steps, it recalibrates your speedometer to provide true speed readings, eliminating the discrepancy caused by larger tires. The recalibration process updates your vehicle’s ECM, ensuring proper shift points and maintaining the integrity of your electronic stability control system. Additionally, this calibrator not only changes your dashboard readout but offers the flexibility to reset the speedometer back to stock settings, perfect for when maintenance or further modifications are required.

Features

• Resets your speedometer for accurate readings with larger tires.
• Easy plug and play connection to your vehicle's diagnostic port.
• Updates OE ECM shift points to support larger tire sizes.
• Recalibrates electronic stability control.
• Option to return to stock settings.
• 1-year warranty for peace of mind.

With this Rough Country Speedometer Calibrator, you can ensure your Chevrolet Silverado 3500 HD performs optimally with your tire upgrades. If you have any questions or need further assistance, don't hesitate to reach out to us. We have two locations ready to serve you in Austin, Texas, and Los Angeles, California, where we also offer installation and customization services. Please contact us directly at 512-982-9393 for our Texas location, or 562-981-6800 for California. Let us help you get the most out of your vehicle upgrades.

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