Enhance the performance of your Explorer ST with the Ford Performance Parts calibration.  Ford Performance Parts calibrations are engineered and dyno tested to deliver more power and increased performance while maintaining reliability. 
  • Peak Power = 430 hp @ 6,000 rpm
  • Peak Torque = 467 lb-ft @ 3,500 rpm
  • Improved throttle response throughout rpm range
  • Optimized Shift Schedule
  • Premium Fuel Required
  • Calibration kit also fits:
    • 2020-2023 Platinum when equipped with EcoBoost 3.0L Engine
    • 2020-2023 King Ranch Trim
  • For US & Canadian Vehicles Only
  • 3 year/36k mile warranty from new vehicle in-service when installed by a Ford dealer or ASE/Red Seal certified technician
  • CARB E.O. #: D-431-4 
  • M-12655-F ProCal 4 delivery tool included
  • * *Trailer towing not recommended**
  ***Calibration and ProCal 4 tool are VIN locked. Please contact the Tech Line with additional questions***  

***NOTE*** ProCal 4 software only available for Windows 7 or greater.  Will NOT work with Windows 10 in "S Mode".    

***NOTE*** ProCal 4 tool receives periodic firmware updates for greater usability and additional features.  Please connect tool to PC periodically to receive the updates automatically.  
Part Type
Electrical: Analyzers / Calibrators
Instruction Sheet
Warranty Availability
Package Dimensions
6.5" x 3.5" x 6.5"
Package Weight
1.3 lb(s)
UPC Code
Country of Origin
United States