Rough Country Speedometer Calibrator (fits) 2004-2014 F150 | Error Code Reader | 90006


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  • Resets your speedometer to accurate readings for larger tires. Reads diagnostic codes like “check engine light”
  • Easy Plug and Play connection with Option to return to stock settings
  • Updates OE ECM Shift Points to accommodate larger tires
  • Recalibrates Electronic Stability Control to work with larger tires
  • Backed by Rough Country for 1 Year