Industrial Injection Silver Bullet PhatShaft 64 Turbo (Part #3642317411)

Unlock race-ready power and lower EGTs on your 2nd-Gen Cummins with the Industrial Injection Silver Bullet PhatShaft 64. Engineered for aggressive fueling upgrades, this drop-in S300-based turbo features an extended-tip 64mm FMW compressor wheel, 74mm turbine, 360° thrust, and dual-grooved journal bearings for durability and fast spool.

Key Features

• Extended-tip 64mm forged milled compressor wheel (FMW)
• 74mm turbine wheel with full-travel wastegate mod
• 360° thrust bearing and dual-grooved performance journals
• Designed for high-output builds; excellent EGT control
• Direct drop-in for 2nd-Gen Cummins with required HX40-style downpipe

Fitment

1994–2002 Dodge Ram 2500/3500 5.9L Cummins (12-valve & 24-valve). Not CARB legal for on-road use in California.

What’s Included

• Silver Bullet PhatShaft 64 turbo assembly
• Pre-set wastegate (adjustable)
• Installation hardware as supplied by manufacturer

Installation Notes

• Requires HX40-style 4" downpipe for the Marmon/V-band outlet.
• Recommended with upgraded fueling (injectors/pump), intake, and exhaust for best results.

Recommended Parts (on CPP Diesel)

• Industrial Injection HX40DP2 4" Downpipe & Clamp (94–02)
• MBRP DALHX40 4" HX40 Downpipe & Clamp (94–02)
• Industrial Injection 229401 Add-A-Turbo Compound Kit (94–02)
• Browse 98.5–02 Cummins Turbochargers & Accessories

FAQ

What power range does the Silver Bullet 64 support?

With proper fueling/tuning and airflow mods, this 64/74/14 combo is commonly used on 400–800 HP builds while keeping EGTs in check.

Do I need an HX40 downpipe?

Yes. The turbine outlet is HX40/Marmon style; plan on a 4" HX40 downpipe for proper fitment.

Is tuning required?

Strongly recommended whenever changing turbo and fueling to optimize spool, drivability, and EGTs.

Is it CARB legal?

No. Not legal for sale or use on pollution-controlled vehicles in California.

Specifications