Product Description
Industrial Injection 3642406812 Viper PhatShaft 64 Turbo – 2004.5–2007 5.9L Cummins (14cm)
Give your 3rd-gen 5.9L Cummins the airflow it deserves. The Industrial Injection Viper PhatShaft 64 pairs an extended-tip 64mm forged-milled (FMW) compressor with a 68mm turbine and a 14cm (.80 A/R) housing to deliver quick spool, strong mid-range, and lower EGTs—perfect for towing and daily driving with mild to moderate fueling upgrades. Built with a 360° thrust bearing and dual grooved performance journal bearings for durability.
- Direct bolt-on for 2004.5–2007 Ram 2500/3500 5.9L Cummins
- Extended-tip 64mm FMW compressor / 68mm turbine
- 14cm turbine housing with optimized wastegate porting
- Improved throttle response and reduced EGTs
- Ideal with mild–moderate injector and tuning upgrades
Vehicle Fitment
- 2004.5, 2005, 2006, 2007 Dodge Ram 2500 5.9L Cummins
- 2004.5, 2005, 2006, 2007 Dodge Ram 3500 5.9L Cummins
What’s Included
- Industrial Injection Viper PhatShaft 64 Turbocharger (P/N 3642406812)
- Actuator/wastegate assembly (pre-set)
- Install hardware as supplied by manufacturer
Specifications
| Attribute | Spec |
|---|---|
| Manufacturer | Industrial Injection |
| Part Number | 3642406812 |
| Compressor Wheel | 64mm FMW (extended tip) |
| Turbine Wheel | 68mm |
| Housing | 14cm (≈ .80 A/R) |
| Thrust Bearing | 360° |
| UPC | 840256909371 |
| GTIN (GTIN-14 format) | 00840256909371 |
| Prop 65 | WARNING: This product can expose you to chemicals including lead and other compounds known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. |
| CARB Status | Not CARB legal; not for sale or use in California on pollution-controlled vehicles. |
Recommended Supporting Parts
- Performance Injectors (5.9L CR) – properly match fueling to the 64mm turbo
- Lift Pump / Fuel System (FASS/AirDog) – ensure consistent fuel supply
- High-Flow Exhaust Manifold – improve drive pressure and durability
- Custom Tuning – optimize spool and boost control
- Turbo Install Gasket Kit (2004.5–2007)
- Turbo Oil Feed/Return Line Kit
FAQ
What power level is this turbo best for?
Ideal for street/tow builds with moderate fueling and tuning, commonly supporting ~475–500 HP when properly matched with fueling and airflow mods.
Is it a direct bolt-on?
Yes—designed as a drop-in replacement for 2004.5–2007 5.9L Cummins with factory-style connections.
Will it help EGTs when towing?
Yes. The 64mm/14cm combo and efficient turbine help lower exhaust gas temperatures versus stock under load.
Do I need tuning?
Recommended to fully realize performance and spool characteristics and to manage boost/fueling safely.
