Ignitions and Electrical Computers, Chips, Modules and Programmers

Rough Country

Speedometer Calibrator | Chevy/GMC 2500HD/3500HD (24-26)

$999.95

SKU: R04C 90051

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Part #: 90051

Complete the final touch on your lifted vehicle with Rough CountryΓCOs Speedometer Calibration Device! Designed for ease of use, this device quickly and effortlessly recalibrates your vehicleΓCOs speedometer to ensure accurate readings when using larger tires.Resolve Speedometer Discrepancies with Ease: Your vehicleΓCOs computer is calibrated for stock tire sizes, meaning when you upgrade to larger tires, your speedometer will no longer reflect your true speed. With the Speedometer Calibration Device, you can eliminate this issue and restore accuracy.Plug-and-Play Installation: This plug-and-play device connects directly to your vehicleΓCOs TCM and BCM, making it simple to recalibrate your speedometer in just a few hours. No complex setup or tools needed.Optimized for Larger Tires: Rough CountryΓCOs Speedometer Calibration Device doesnΓCOt just adjust your speedometerΓCoit updates your vehicleΓCOs ECM to accommodate larger tires. This ensures precise shift points and recalibrates your electronic stability control (ESC) for safe and smooth driving.Easily Return to Stock Settings: Need to revert to factory settings No problem! This device includes a convenient option to reset your vehicleΓCOs speedometer back to stock prior to servicing or selling.Complete Peace of Mind with a 1-Year Warranty: Enjoy worry-free performance with a 1-year warranty, ensuring your calibration device delivers reliable results for years to come.

Features:

  • Accurately Resets Speedometer: Calibrates your speedometer for precise readings when using larger tires.
  • Effortless Plug-and-Play Installation: Simple and quick connection with no additional modifications required.
  • Optimizes OE ECM Shift Points: Updates shift points to ensure smooth performance with larger tires.
  • Recalibrates Electronic Stability Control: Adjusts ESC settings to maintain safety and control with bigger tires.
  • Convenient Return to Stock Settings: Easily revert to factory settings when needed.
  • 1-Year Warranty: Offers peace of mind with a comprehensive 1-year warranty.

MIA's Description

The Rough Country Speedometer Calibrator (MPN: 90051) is a plug-and-play device designed to recalibrate your vehicle’s speedometer for accurate readings when using larger tires. It connects directly to your vehicle’s TCM and BCM, updating the ECM to accommodate larger tires, ensuring precise shift points and recalibrating electronic stability control (ESC). It includes a 1-year warranty and a convenient option to reset to factory settings.

Fitment

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Specifications

BrandRough Country
Part NumberR04C 90051

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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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