🔥 S468/83 Cast Turbo Kit – 2nd Gen Swap for 2003–2005 Dodge Cummins (5.9L) | T4 | High-Flow Stainless Diesel System

Looking for a reliable, proven, and power-packed single turbo setup for your 2003–2005 5.9L Cummins? The Stainless Diesel S468/83 Cast Turbo Kit delivers everything you need to transform your street truck, tow rig, or race build. Featuring the BorgWarner-based S468/83 box unit turbo and our 2nd Gen-style piping system, this kit places your turbo in the optimal “twin position” for better spool, cooler EGTs, and compound turbo upgrade readiness.

Built with high-strength CNC-machined flanges and aluminized mild steel piping — no rubber or plastic here — this kit is engineered for high boost, long-term durability, and real-world diesel abuse.

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🌀 Turbo Specs – S468/83 (BorgWarner Cast Box Unit):

• Compressor: 68mm Cast Inducer

• Turbine: 83mm Exducer

• Turbo Frame: BorgWarner S400

• Exhaust Housing Options (T4 Divided):
  • 0.90 A/R – Fast spool-up (not recommended above ~600 HP)
  • 1.00 A/R – Best for hot street builds and daily driving
  • 1.10 A/R – Ideal for top-end power and towing applications

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🔧 What’s Included:

• BorgWarner S468/83 Cast Turbocharger (box unit, select A/R size)

• Optional Stainless Diesel T4 24V Manifold (Made in the USA – Lifetime Warranty)

• Stainless Diesel Flow Boss Cold Air Kit w/ S&B Filter

• Pre-Filter Wrap

• Stainless Diesel Turbo Blanket

• -6 Braided Stainless Steel High-Temp Oil Feed Line + Fitting

• Oil Drain Line + Gasket

• Turbo Gaskets & Manifold Gaskets

• Turbo Mounting Studs & Bolts

• V-Band Clamp

• High Torque T-Bolt Clamps

• 3.00" Bead-Rolled Intercooler Pipe

• 3.00" Intercooler Boot

• 5.00" Air Cleaner Pipe w/ AIT Sensor Bung

• 5.00" Silicone Boot w/ T-Bolt Clamps

• S400 Stainless Diesel Aluminum 90° Elbow, O-Ring & V-Band Clamp

• 4.00" Downpipe (Aluminized Steel)

• 1.00" Divided Billet Spacer

• Waterline (for 2003–2005 trucks)

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🛠 Fitment:

• Vehicle: 2003–2005 Dodge Ram 2500/3500 w/ 5.9L Cummins

• Requires: 2nd Gen-style T4 exhaust manifold (available as an option)

• Designed to place turbo in twin-turbo position for improved drive pressure and future upgrades

• Built-to-order kit: please allow 1–2 weeks for fabrication

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💥 Why Choose This Kit?

• S468/83 offers excellent balance of power, spool, and towing potential

• Heavy-duty construction: no plastic or rubber parts in boost path

• Designed for drivability and durability under high boost and high load

• Optimized layout supports future compound/twin turbo upgrades

• Trusted Stainless Diesel quality, USA-built components

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Whether you’re looking to tow harder, drive faster, or build smarter — this S468/83 kit delivers the airflow, reliability, and headroom to meet your goals.

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