Custom Allison trans tuning for the 15.5-16 T87 TCM is here from PPEI!
- Line Pressure increase!
-Early and sustained Converter lock up
-Ability to support 650HP on a stock trans!
-better transmission life!
Tunes will be emailed for your PPEI auto-cal or for your v2
The following will be needed in order to purchase:
· Vin Number (ALL CAPS)*:
· Order Number (Written on back of AutoCal)*: **if you are using your own v2 please put v2 in this field**
· Vehicle Modifications: