PPE Diesel 128041000 2001-2010 GM 6.6L Duramax w/ Allison 1000-2000 Transmission Pressure Calibration Kit 2020-2024 Chevy/GMC Duramax 6.6 L5P Flanges welded both sides

Flanges welded both sides

so naturally

or just so you can keep enjoying the journey

There's nothing else like it in the world

When installing a FASS Industrial Series System on a late-model Paccar MX-13 engine without a frame-mounted water separator

PPE Diesel 128041000 2001-2010 GM 6.6L Duramax w/ Allison 1000-2000 Transmission Pressure Calibration Kit 2020-2024 Chevy/GMC Duramax 6.6 L5P Flanges welded both sidesThis kit serves as a great upgrade when building a 5 or 6 speed Allison 1000 transmission. This kit is recommended for trucks hauling heavy loads and making high horsepower. The increase in line pressure improves your clutches' holding ability and the calibration springs will tighten up shifts.