Suspension and Components› Suspension Kits
Rough Country
Speedometer Calibrator Inline Ram 1500 2500 3500 2WD 4WD (2019-2023)
SKU: R04C 90047
Moderate — 2–4 hours
Description
It features a plug-and-play installation through your vehicle's Diagnostic Link Connector Port, recalibrating the speedometer to match your new tire size without complex tools. The calibrator also optimizes transmission shift points for smoother performance tailored to your new tire configuration.
Fitment
Fitment Guaranteed
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Rough Country |
| Part Number | R04C 90047 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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