Product Description
Industrial Injection Silver Bullet PhatShaft 64 Turbo — 2004.5–2007 5.9L Cummins (PN 3642417412)
Turn your 5.9L Cummins into a quick-spooling, hard-pulling street machine. The Silver Bullet PhatShaft 64 features a forged-milled 64mm compressor wheel, 74mm turbine, and a modified 14cm wastegated housing to reduce surge, broaden the powerband, and lower EGTs — perfect for spirited street driving, towing with fueling upgrades, or weekend competition.
- 64/74/14 configuration with polished compressor housing
- Forged Milled (FMW) compressor wheel + 360° thrust bearing
- Dual-grooved high-performance journal bearings
- Max-flow wastegate porting and full-travel wastegate modification
- Drop-in replacement for 2004.5–2007 5.9L Cummins
Fitment
- 2004.5–2007 Dodge Ram 2500/3500 — 5.9L Cummins (Common Rail)
Shopping 03–07 parts? Browse our 03–07 5.9L Cummins Category for supporting upgrades.
What’s Included
- Industrial Injection Silver Bullet PhatShaft 64 Turbocharger (PN 3642417412)
- Wastegated 14cm turbine housing
- Adjustable boost elbow
Recommended Parts (Internal Links)
- Need a smaller or larger Silver Bullet? See:
- Prefer the Viper series? Try:
- Round out your build: visit our 03–07 5.9L Cummins section for injectors, lift pumps, intercooler boots, tuners, and gauges.
Specifications
| Brand | Industrial Injection |
|---|---|
| Part Number | 3642417412 |
| Compressor Wheel | 64mm (FMW) |
| Turbine Wheel | 74mm |
| Exhaust Housing | 14cm2, wastegated (full-travel mod) |
| Center Section | Journal bearing, dual-grooved with 360° thrust |
| Finish | Polished compressor housing |
| Vehicle | 2004.5–2007 Dodge Ram 2500/3500 5.9L Cummins |
| UPC | Not published by manufacturer |
| GTIN | Not published by manufacturer |
| Prop 65 | WARNING: Cancer and Reproductive Harm. |
Helpful Notes
- Best results with appropriate fueling upgrades and tuning.
- Intended as a drop-in upgrade for the listed applications; always verify gaskets/lines.
FAQ
Is this turbo truly drop-in for 2004.5–2007 5.9L Cummins?Yes, it is designed as a drop-in upgrade for the listed model years. Verify your truck is 2004.5+ common-rail and check all connections during install.
What size housing and wheel combo does the Silver Bullet 64 use?It’s a 64mm compressor with a 74mm turbine in a modified 14cm wastegated housing, paired with a 360° thrust bearing and dual-grooved journals for durability.
Will it help lower EGTs when towing?Yes — the 74mm turbine trim and wastegate mods improve exhaust energy utilization and reduce surge, typically lowering EGTs versus stock when properly tuned.
What if I need a different wheel size?See our related Silver Bullet 62/66/69 options linked above to tailor spool-up and top-end to your build goals.
