2013-2018 6.7 Cummins Tuning 68RFE (Engine/Trans)(Ezlynk)

MUST HAVE CSP4 SWITCH TO USE SOTF OPTION

1. optimized stock
2. Heavy tow
3. Light tow/street
4. RACE

This support pack includes transmission tuning, which includes optimized shift points, torque converter lockup, etc, to provide the best power transfer to the ground!