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 drivability without sacrificing reliability. 

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Introducing the new engineering designed and focused Ford Performance ProCal 4 Calibration delivery tool. The ProCal 4 can be used with Ford Performance Control Packs as a diagnostic/data logging tool. Allows download/delivery of future Ford Performance calibrations. ProCal 4 cable easily plugs into the OBDII port. Features include: High resolution touch screen with intuitive graphical interface Cloud updatable Reads and clears DTCs (DTC descriptions displayed) Speedometer correction for gear/tire changes (within factory parameters) Real-time engine data display - air/fuel ratio, spark timing, cam timing, throttle angle Real-time data logging Also performs valuable service functions including: Key on/Engine off test Key on/Engine running test Profile relearning (Crank relearn) Clear adaptive fuel trims Clear keep alive memory Includes a swivel suction cup window mount. ***NOTE*** NO Performance calibration included. Learn More