PPE Diesel 128041012 Pressure Calibration Kit (800HP+) GM 2011-2016 Allison 1000 and 2000 Series

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.