PPE Diesel 128041012 Pressure Calibration Kit (800HP+) GM 2011-2016 Allison 1000 and 2000 Series Zippys Torque Tube Exhaust Header System

Torque Tube Exhaust Header System for use with 1996-2000 GM 454 Class-A Motorhome

This flex plate is given a Black Oxide coating for corrosion resistance and to prevents hydrogen embrittlement that can cause cracking

Banks Techni-Cooler sports a 25 percent increase in volume

Pressure Switch - 85 to 105 PSI for use with Premium and Paddle Valve In-cab Control kit

PPE Diesel 128041012 Pressure Calibration Kit (800HP+) GM 2011-2016 Allison 1000 and 2000 Series Zippys Torque Tube Exhaust Header 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.