Ace - 5.9L

Calibrated Power's SOTF Tuning is the best tuning calibrations for your Cummins. This will allow you to use EFILive tuning software and years of tuning experience to make sure your truck runs like no other. The SOTF tunes allow you to switch your tunes on the fly! No more stopping to switch tunes or waiting for tunes to load. You can change tunes while driving your truck. Purchase the CPD (Calibrated Power Dial) and all you will have to do to change tunes is turn a dial! It's as easy as changing your radio station. Imagine, going from 300 rwhp to 500 rwhp instantly!