Product Description
Industrial Injection Silver Bullet PhatShaft 66 Turbo — 2007.5–2016 Ram 2500/3500 6.7L Cummins (PN 366241741F)
Make big, clean power with the proven Silver Bullet 66. Built around an extended-tip 66mm forged-milled compressor wheel, a 74mm turbine, and a robust 360° thrust bearing, this PhatShaft 66 is a street-friendly turbo that shines with added fueling and tuning on the 6.7L Cummins. Lower EGTs, strong mid-range, and polished compressor housing make it a favorite for tow-rigs and weekend warriors.
Fitment
- Vehicle: 2007.5–2016 Ram 2500/3500 with 6.7L Cummins diesel
- Turbo type: Silver Bullet PhatShaft 66 (66/74/14)
- Install notes: Converting from the factory VGT requires a 3rd-gen style T3 exhaust manifold, appropriate downpipe and oil lines, and tuning. See Recommended Parts below.
Why Buy From CPP Diesel
- Real diesel techs, fast shipping, and parts curated for Cummins performance
- Only trusted brands we run on our own trucks
- Knowledgeable support for fueling, air, and driveline combos
Specifications
| Part Number | 366241741F |
|---|---|
| Compressor Wheel | 66mm forged-milled (FMW) |
| Turbine Wheel | 74mm |
| Turbine Housing | 14cm2 (wastegate ports & full-travel mod) |
| Center Section | Journal bearing, 360° thrust |
| Finish | Polished compressor housing |
| UPC | 840256909524 |
| GTIN | 00840256909524 (GTIN-12 / UPC-A) |
| CARB Status | Not CARB legal; for off-road/competition use where permitted |
| Prop 65 | No listing provided by manufacturer; always handle oils/fluids responsibly |
Recommended Parts
- 3rd-Gen T3 Exhaust Manifold (6.7L conversion)
- Downpipe for 3rd-Gen swap
- Turbo Oil Feed & Drain Line Kit
- Charge Pipe/Boots & Clamps
- Lift Pump (to support added fueling)
- Custom Tuning (VGT-to-fixed swap)
- Gasket & Install Hardware
Helpful Notes
- This turbo is happiest with upgraded fueling (injectors and/or CP3) and supporting airflow mods (intake, intercooler pipes, exhaust).
- Expect increased whistle and a more assertive exhaust note compared to stock VGT.
- Professional installation and ECU calibration recommended.
FAQ
Is this a direct bolt-on for my factory 6.7L VGT?No. Converting from the OEM VGT requires a 3rd-gen style T3 manifold, compatible downpipe, oil lines, and tuning. See the Recommended Parts above.
What kind of power can the Silver Bullet 66 support?
With proper fueling, air, and tuning, this 66mm unit supports strong street/strip power while keeping tow-friendly manners. Exact numbers depend on overall build and altitude.
Does it help EGTs while towing?
Yes, compared to stock when paired with appropriate fueling and tuning. Many customers see lower EGTs under load due to improved compressor and turbine efficiency.
Is it CARB legal?
No. It is not CARB approved and is intended for off-road/competition use where permitted.
What else should I upgrade at the same time?
At minimum, plan for the 3rd-gen manifold, downpipe, oil line kit, fresh gaskets, and quality tuning. On higher-power builds, add a lift pump, larger injectors, and a higher-output CP3.
