LB7/ LLY Transmission Tune (2001-2005) -EFI

Optimize shift points and torque converter behaviour with trans tuning. Line pressures are mechanically controlled and can not be adjusted.

We will require a stock read off your TCM

(E54 --------AL5 - 2001-2004 DURAMAX)

(E60 --------AL5 - 2004.5-2005 DURAMAX)