The stock input shaft is a known weak point once you add power, tow heavy or run bigger tires. When it snaps or twists, the truck stops moving, and it can take the converter, pump and seals with it.
ATS builds this input shaft from billet steel. The idea is not just more strength. A billet shaft can twist a little further under load without breaking, so it absorbs the hits that crack a factory shaft.
This is a two-piece design in 300M billet. ATS recommends it whenever power or towing goes up, and it is made to handle earlier-than-stock converter lock-up.
Owners of a 1994-2007 Dodge Ram 2500/3500 5.9L Cummins with more power or heavy towing who want the input shaft to stop being the weak link.
| Manufacturer | ATS Diesel Performance |
|---|---|
| Part number | 304-910-2164 |
| Part | Billet input shaft |
| Material | Billet steel (300M) |
| Transmission | 47RH / 47RE / 48RE |
Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.
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