Rough Country Inline Speedometer Calibrator F-150 2021-2025/ F-250/ F-350 2017-2025

Your 2021-2025 F-150 or 2017-2025 F-250 or F-350 Super Duty deserves to have some customized modifications, so you'll need to support those larger tires or lift kit by installing this Inline Speedometer Calibrator (90015T) from Rough Country! 

Features and Benefits:
- Resets your truck's speedometer to accurate readings for larger tires
- Easy plug-and-play connection
- Updates OE ECM shift points to accommodate larger tires
- Recalibrates Electronic Stability Control for larger tires
- Reads basic diagnostic codes like 'check engine light'
- Also includes the option to return settings to stock

Rough Country understands that you want your F-150, F-250, or F-350 to be as efficient as possible, so make sure the onboard computer is functioning properly by recalibrating it to your correct tire size! This plug-and-play tool will allow you to reset your speedometer, update the OE ECM shift points all to work with larger, more aggressive off-road tires. It's simple and easy to use and will stay in-line to ensure that your SuperDuty truck's modifications don't interrupt your instrument read-outs. 

Vehicle Fitment:
- 2021-2025 F-150
- 2017-2025 F-250 Super Duty 
- 2017-2025 F-350 Super Duty 

Please Note: Does NOT work on 2022+ F-150 models equipped with a front facing camera.