Description
This main/intermediate shaft for GM Duramax Allison 1000 transmission is machined from 300M billet steel.
- Stronger than the OEM intermediate shaft
- Added lubrication hole for the P-3 sun gear and pilot
- CNC-machined and precision-ground
- Heat-treated shaft for increasedย strength and durability
The shaft-through hole is gun-drilled to provide a polished interior finish, eliminating internal stress risers.