2001-2004 Duramax LB7 Allison 1000 Transmission Stage 4 4WD (1064704) 2020 - 2022 Ford Exterior designed to handle seat pressures

designed to handle seat pressures of 110 lbs and safely rev to 6

They have increased the thickness of the shaft from 6

500 RPM with mild-to-moderate cam profiles and stock-size valves

The first and only intake manifold mounted grid heater that meets the Cummins spec for heating element support

2001-2004 Duramax LB7 Allison 1000 Transmission Stage 4 4WD (1064704) 2020 - 2022 Ford Exterior designed to handle seat pressuresThe stock transmission is designed to handle the output of the stock engine, but not much more. Increase the durability of your drivetrain with a BD transmission. All transmissions come with BD's heavy duty transmission pan.