Enhance the performance of your Explorer ST with the Ford Performance calibration.  The Ford Performance engineered and dyno tested calibration delivers the Ford Performance promise of more power and increased performance without sacrificing reliability. 
  • Calibration kit also fits:
    • 2020-2023 Platinum when equipped with 3.0L Engine
    • 2020-2023 King Ranch Trim
  • Improved throttle response throughout RPM range
  • Optimized transmission shift schedule 
  • 25-35 lb.-ft. torque gains* from 2,000-4,000 RPM
  • Peak torque = 467 lb.-ft. at 3,500 RPM
  • 30 HP gain* at 5,000 RPM
  • Peak power = 430 HP at 6,000 RPM
  • For U.S. and Canadian vehicles
  • 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
  • * Premium fuel required*
  • **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