Product Description
Industrial Injection VIPER PhatShaft 64 Turbo – 12cm Housing (PN 3642306801)
Wake up your second-gen Cummins with the VIPER PhatShaft 64. Built by Industrial Injection, this drop-in turbo features an extended-tip ~64mm FMW compressor wheel, a 68mm turbine, and a 360° thrust bearing for reliable power, lower EGTs, and quick spool—ideal for towing, street, or mild performance builds. Note: Requires an HX40-style downpipe.
Key Features
- Forged-milled (FMW) ~64mm compressor, 68mm turbine
- 360° thrust bearing, dual-grooved performance journal bearings
- 12cm² exhaust housing for fast spool and strong mid-range
- Wastegate ports & chamber optimized for full wastegate travel
- Designed for mild to aggressive fueling upgrades
- Direct fit for 2nd-gen 5.9L Cummins (see fitment)
Vehicle Fitment
- 1994–2002 Dodge Ram 2500/3500 with 5.9L Cummins (12-valve & 24-valve)
HX40 Downpipe Required: Pair this turbo with an HX40-style 4" downpipe for correct outlet connection and clearance.
Recommended Companion Parts
- Industrial Injection HX40DP2 4" Downpipe & Clamp (94–02)
- MBRP HX40 Downpipe & Clamp (94–02)
- Intercoolers, Charge Pipes & Boots (98.5–02)
- Intake Elbows / Boost Tubes & 12-Valve Intake (94–98)
- Gauges & Monitors: Boost / EGT / Fuel Pressure (98.5–02)
Why Buy From CPP Diesel?
We stock proven second-gen Cummins parts, fast shipping, and expert support. Bundle your turbo with the correct downpipe, clamps, and monitoring to finish the job right.
Specifications
Brand | Industrial Injection |
---|---|
Part Number (PN) | 3642306801 |
Compressor Wheel | ~64mm FMW (extended-tip) |
Turbine Wheel | 68mm |
Exhaust Housing | 12cm² |
Bearing System | 360° thrust, dual-grooved journals |
Fitment | 1994–2002 Dodge Ram 2500/3500, 5.9L Cummins |
Outlet Style | HX40/Marmon (requires HX40-style downpipe) |
UPC | Not provided by manufacturer |
GTIN | Not provided by manufacturer |
California Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
FAQs
- Is this a direct bolt-on?
- Yes, for 1994–2002 5.9L Cummins. You’ll need an HX40-style downpipe to mate the outlet correctly.
- What power level is it suited for?
- Ideal for towing and street builds with mild to aggressive fueling upgrades. It significantly improves airflow and lowers EGTs vs. stock.
- Will I need tuning?
- Not required to install, but proper fueling/tuning and adequate lift-pump pressure will maximize performance and turbo life.
- Do I need to upgrade intercooler boots or charge pipes?
- Highly recommended on higher boost setups. See our intercooler & boot kits.
- What gauges should I run?
- At minimum, add boost and EGT monitoring to protect the engine and dial in fueling.
Data points such as wheel sizes, bearing system, and HX40 downpipe requirement are based on manufacturer/retailer descriptions.