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Rough Country

Rough Country Speedometer Calibrator Chevy GMC 2500HD 3500HD (24-26) 90051

$999.95

SKU: R04C 90051

In Stock
In Stock
Ships by Jun 17
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

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

Fitment Guaranteed

Don’t gamble
on fit.

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

BrandRough Country
Part NumberR04C 90051

Videos

Speedometer Calibrator by Rough Country

Speedometer Calibrator by Rough Country
2021 Silverado Speedometer Calibrator Install

2021 Silverado Speedometer Calibrator Install

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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