PPE Diesel 128041012 Pressure Calibration Kit (800HP+) GM 2011-2016 Allison 1000 and 2000 Series Zippys Banks' Precision Port Alignment System

Banks' Precision Port Alignment System allows the manifold to expand and contract without shrouding ports

three-inch vacuum cylinder (earlier models)

Maintains Positive Clutch Contact

The new system gives the Jeep 3

pre-filter and/or the filter head

PPE Diesel 128041012 Pressure Calibration Kit (800HP+) GM 2011-2016 Allison 1000 and 2000 Series Zippys Banks' Precision Port Alignment SystemThis 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.