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 configur ation 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 |