Pressure Calibration Kit (800HP+) GM 2011-2016 Allison 1000 and 2000 Series suspension most common tunes are:

most common tunes are:

The new Edge Revolver Performance Chip is designed for 94

For AT4 use part number 27530 Requires cutting and drilling

They feature the same legendary lighting technology and superior build quality as the rest of RIGIDs lighting products

All components are replaceable

Pressure Calibration Kit (800HP+) GM 2011-2016 Allison 1000 and 2000 Series suspension most common tunes are: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.