S366/74 T4 .91 DIVIDED TURBO

🔥 Replacement for Borg Warner 177284 – High-Performance T4 Turbocharger with Extended Tip Technology

Upgrade your setup with this high-performance replacement turbocharger for the Borg Warner 177284—engineered for serious power, improved airflow, and faster spool-up. Featuring a cast extended tip compressor wheel and a .91 A/R T4 divided turbine housing, this turbo delivers optimized boost control and enhanced throttle response for high-output diesel builds.

Perfect for race, street, or heavy-duty applications, this unit offers factory-style fitment with optional machining upgrades to suit Dodge 2nd Gen setups or custom exhaust configurations.

—

⚙️ Key Turbo Features:

• Cast 7-Blade Compressor Wheel w/ Extended Tip Technology – Increases airflow and reduces spool time

• T4 .91 A/R Twin-Scroll Turbine Housing – Non-wastegated, designed for maximum exhaust flow and pressure balance

• Marmon John Deere–Style Downpipe Flange – Strong, secure fitment for heavy-duty performance

• Compressor Cover: 4" Air Filter Inlet & 3" Hose Outlet – Compatible with standard piping setups

• 1/4" NPT Oil Feed Port & 3/8"-16 Oil Drain Bolt – Easy plumbing integration

• Adjustable Compressor & Turbine Housing Orientation – Customize for any build layout

—

🔧 Optional Customizations:

• V-Band Compressor Outlet Machining – For direct fitment to factory Dodge 2nd Gen aluminum intercooler elbow

• HX40 4" Exhaust Outlet Machining – For compatibility with aftermarket HX40-style downpipes

• 6-Blade Billet Compressor Wheel Upgrade – Improves spool-up, reduces EGTs, and adds up to 25 additional HP when pushed

—

🚀 Power Potential:

• Standard Cast Wheel Setup: Supports 700+ HP

• Billet Wheel Upgrade: Increases efficiency, reduces lag, and unlocks more usable horsepower

—

✅ Ideal For:

• High-horsepower diesel street and race applications

• Cummins 2nd Gen conversions with v-band or HX40 outlet compatibility

• Drivers seeking faster boost response, stronger powerband, and cooler exhaust temps

—

📦 What’s Included:

• T4 63mm Turbocharger (Cast Wheel Standard)

• .91 A/R Divided Non-Gated Turbine Housing

• John Deere–Style Downpipe Flange

• Optional Machining Add-Ons (Select Before Checkout)

—

🛒 Replace your Borg Warner 177284 turbo with a proven, high-flow solution that delivers rapid spool, big boost, and rock-solid reliability. Add the billet upgrade to push into the 700+ HP range with confidence.