Stage 4 LCT1000 Allison Crate Transmission

The ATS Stage 4 Allison LCT1000 Crate Transmission is a complete upgrade package designed for 2006-2007 GM 2500HD/3500HD trucks with 6.6L Duramax LBZ engines. This transmission is built for 2WD models with PTO provision and is engineered to handle high torque and heavy loads, enhancing shift quality and drivability.

Key features include billet input and intermediate shafts for extreme strength, an ATS Five Star torque converter for smoother launches and better torque transfer, and an ATS deep transmission pan to improve cooling and capacity. It also comes with the ATS Co-Pilot transmission controller for precise pressure and firmer shifts.