Restore Speedometer Accuracy for Larger Tires: Complete your lift upgrade with Rough Country's Speedometer Calibration Device. Specifically engineered for lifted vehicles with oversized tires, this easy-to-use calibrator reprograms your speedometer to deliver precise, true-speed readings, eliminating guesswork on the road or trail. Seamless Plug & Play Installation: Installation is fast and hassle-free thanks to a simple plug and play connection through your vehicle's Diagnostic Link Connector Port. In just a short session, your speedometer is recalibrated to match your new tire size without the need for complex tools or programming knowledge. Enhanced ECM Shift Point Adjustments: This advanced device doesn't just update your dashboard, it updates your vehicle's ECM to optimize transmission shift points. That means smoother shifting performance tailored to your new tire configuration for a more refined driving experience. Maintains Electronic Stability Control Performance: Rough Country's calibrator also recalibrates your Electronic Stability Control system, ensuring your vehicle retains factory-intended handling and safety even after upgrading to larger tires.Convenient Return to Stock Settings: Need to revert back to factory calibration? The device includes an easy reset feature that lets you restore stock settings anytime, ideal for vehicle servicing. Warranty-Backed Peace of Mind: Backed by Rough Country's 1-Year Warranty, you can recalibrate with confidence knowing your investment is protected.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2023 | Ram | 1500 | Big Horn |
| 2019-2023 | Ram | 1500 | HFE |
| 2019-2023 | Ram | 1500 | Laramie |
| 2019-2021 | Ram | 1500 | Laramie Longhorn |
| 2019-2023 | Ram | 1500 | Limited |
| 2021-2023 | Ram | 1500 | Limited Longhorn |
| 2019-2023 | Ram | 1500 | Lone Star |
| 2021 | Ram | 1500 | Longhorn |
| 2019-2023 | Ram | 1500 | Rebel |
| 2020-2021 | Ram | 1500 | Special Service |
| 2019-2023 | Ram | 1500 | Tradesman |
| 2019 | Ram | 1500 Classic | Big Horn |
| 2019 | Ram | 1500 Classic | Laramie |
| 2019 | Ram | 1500 Classic | Lone Star |
| 2020-2021 | Ram | 1500 Classic | Special Service |
| 2019-2023 | Ram | 1500 Classic | Tradesman |
| 2019-2023 | Ram | 2500 | Big Horn |
| 2019-2023 | Ram | 2500 | Laramie |
| 2019-2021 | Ram | 2500 | Laramie Longhorn |
| 2019-2023 | Ram | 2500 | Limited |
| 2021-2023 | Ram | 2500 | Limited Longhorn |
| 2019-2023 | Ram | 2500 | Lone Star |
| 2019-2023 | Ram | 2500 | Power Wagon |
| 2023 | Ram | 2500 | Rebel |
| 2019-2023 | Ram | 2500 | Tradesman |
| 2019-2023 | Ram | 3500 | Big Horn |
| 2019-2023 | Ram | 3500 | Laramie |
| 2019-2020 | Ram | 3500 | Laramie Longhorn |
| 2019-2023 | Ram | 3500 | Limited |
| 2021-2023 | Ram | 3500 | Limited Longhorn |
| 2019-2022 | Ram | 3500 | Lone Star |
| 2019-2023 | Ram | 3500 | SLT |
| 2019-2023 | Ram | 3500 | Tradesman |