If you are a 2018-2019 Ram 5.7L Classic Body truck owner who is looking for a device to help calibrate for your large aftermarket tires, read/clear trouble codes and more then look no further. The Flashcal for Truck is a product designed to give features and calibration tools to truck owners at a great price. The days of clunky, outdated calibration tools are over. Flashcal has trucks covered and the market cornered with quality and pricing that can't be matched.