Product Description
Industrial Injection 3662407112 Super PhatShaft 66 Turbo — Fits 2004.5–2007 Ram 2500/3500 5.9L Cummins
The Super PhatShaft 66 (SPS66) from Industrial Injection is a proven 66mm drop-in upgrade for the 2004.5–2007 5.9L Cummins. Built with a forged-milled (FMW) compressor wheel, 71mm turbine, 360° thrust bearing, and dual-grooved journal bearings, it delivers strong street/tow performance with faster spool and reduced EGTs—perfect for trucks with supporting fuel and airflow mods.
- 66mm extended-tip FMW compressor / 71mm turbine
- 360° thrust + dual-grooved bearings for durability
- Designed for daily driving, towing, and street performance builds
- Wastegate passage & spacer optimized for drive pressure control
Fitment
Vehicle: 2004.5, 2005, 2006, 2007 Ram 2500/3500 with 5.9L Cummins (Common Rail)
Direct-fit application: Drop-in upgrade for 2004.5–2007 5.9L Cummins with required accessory parts listed below. Most applications require an HX40-style downpipe interface and correct clamps/gaskets for a leak-free install.
Recommended Parts (for a smooth install)
- Downpipe / Turbine-Outlet Hardware (’04.5–’07 common-rail):
- Turbo Install/Service Items:
Specifications
| Manufacturer | Industrial Injection |
| Part Number | 3662407112 |
| Compressor | 66mm FMW (extended-tip) |
| Turbine | 71mm |
| Bearing System | 360° thrust, dual-grooved journals |
| Outlet / Downpipe | HX40-style connection (verify clamp/downpipe) |
| UPC | II2251000487 |
| GTIN | — |
| CARB / Emissions | Not CARB exempt; for off-road/competition use where applicable |
| Prop 65 | Yes — Cancer and Reproductive Harm. www.P65Warnings.ca.gov |
Notes
- Supporting mods (fueling, intake, exhaust) recommended for best results.
- Verify downpipe/clamp style prior to install; many SPS66 setups expect an HX40-style interface.
FAQ
Will this bolt up to my 2004.5–2007 5.9L Cummins without custom fabrication?It is designed as a drop-in upgrade for the 5.9L common-rail platform. Most applications will require the correct HX40-style downpipe/clamp hardware. See the Recommended Parts above.
What kind of power support can the Super PhatShaft 66 handle?With proper fueling and tuning, SPS66 setups are commonly used on robust street/tow builds. Ensure your injectors, lift pump, and transmission are matched to your goals.
Do I need to change my oil feed and drain lines?Fresh lines are strongly recommended during any turbo swap to prevent leaks and coking. See our CPP oil feed/drain options listed above.
Is this product emissions-compliant in California?No. This upgrade is not CARB-exempt. Check local laws before purchase/installation.
