Overview
Randy's Stage 4 Allison 1000 transmission for 2011-2016 Chevy and GMC Duramax pickups, rated for 900+ horsepower.
Built for street and track use, with billet input shaft, C-2 hub, output shaft and P-2 planet.
What is included
- Raybestos or ALTO G4 C-3 and C-4 torque kit with custom machined pressure plates
- LML style pistons and return springs
- Raybestos or ALTO G4 C-1/C-2 torque kit
- Ratio Tek pressure upgrades
- Transgo trim valves
- New Torrington bearings
- Randy's torque converter with billet stator
- Billet input shaft, C-2 hub, and output shaft
- Billet P-2 planet
- HD cast aluminum deep pan
- New OE filters
Fitment
2011-2016 Chevy / GMC Duramax pickups with the Allison 1000 transmission
Specifications
- Stage: 4
- Rated power: 900+ HP
- Part number: A1000-A120
