Pressure Calibration Kit GM Allison 1000 and 2000 Series 2011-2016 800HP+
This Kit is recommended for performance-enhanced trucks.
Designed to improve shift firmness with variable spring selections to achieve your desired results.
The PPE Pressure Calibration Kit sets minimum pressure and boosted pressure levels (adjustable) that are a match for 800HP+ applications.
Application: 2011-2016 800HP+ Allison 1000 and 2000
Installation Guide: 128041012 Pressure Calibration Kit_v2C.pdf