Overkill Diesel Performance
68RFE TCM Calibration
  • Transmission tuning for Cummins 6.7 2007.5-2009
  • Full shift timing, pressure, and lockup strategy control
  • Requires HP Tuner RTD — 2 credits
  • Unlocks proper shift behavior under high torque loads

Overkill Diesel Performance

68RFE TCM CALIBRATION

Transmission calibration for 2007.5-2009 68RFE. Proper shift and lockup strategy under high-torque diesel power.

COMING SOON

This calibration is not available to order yet. Check back soon.

Vehicle Identification Number (VIN)*

Year of Truck*

Model*

Tire Size

Modification List

HP Tuner RTD Serial Number*

2 credits required.