Product Description
Wake up your 5.9L Cummins with a proven 2nd-Gen style S300 upgrade. The INDUSTRIAL INJECTION 227435 kit centers a BorgWarner S300 SX-E 62/74 with a .91 A/R on a high-flow T4 layout to deliver quick spool, strong mid-range, and headroom for tuned daily drivers and work trucks. SX-E units feature a forged milled compressor wheel and 360° thrust bearing for durability under heat and boost.
Fitment
- 2003-2007 Dodge Ram 5.9L Cummins (24-valve common rail)
- 2nd-Gen style T4 center-mount conversion for 03-07 trucks
What's Included*
- BorgWarner S300 SX-E 62/74 turbocharger, .91 A/R turbine housing
- High-flow T4 2nd-Gen style manifold
- Cold-air intake tubing and filter, compressor outlet elbow
- Passenger-side intercooler pipe
- HX40-style downpipe
- Oil feed & drain lines, gaskets, clamps, and mounting hardware
*Exact contents may vary by batch; see product images/specs and contact us with questions.
Recommended Parts (CPP internal links)
- ARP 247-4202 Head Stud Kit - 5.9L/6.7L Cummins
- Cummins 4935577 OEM Turbo Oil Feed Line (03-18) or our CPP -4AN Oil Feed Line
- Exhaust/Turbo Mounting Hardware & Studs
- Industrial Injection HX40 Downpipe & Clamp (03-04)
- 03-07 Fuel System & Lift Pumps (CP3, injectors, filtration)
- High-Flow T4 Exhaust Manifold (upgrade/replace)
Why This Kit
- Balanced street power: 62mm SX-E compressor for fast response with strong towing & daily drivability
- Stronger core: SX-E 360° thrust bearing + FMW wheel for reliability
- Clean install: 2nd-Gen style center-mount layout with matched piping and hardware
Helpful Notes
- Custom tuning and adequate lift-pump supply are recommended for best results.
- Check wastegate/drive pressure and EGTs after installation; re-torque hardware per spec.
FAQ
How does a 2nd-Gen style kit help spool?Center-mounting the turbo on a T4 manifold improves exhaust flow and pulse energy to the turbine, helping spool and mid-range response versus the stock offset layout.
What power range is a 62/74 .91 A/R good for?It's a great all-around choice for tuned daily driving and towing on 03-07 5.9L trucks, offering quick response with room to grow when paired with proper fuel and tuning.
Do I need head studs?They're strongly recommended once boost and cylinder pressure rise with tuning or larger injectors, to help keep head gaskets sealed.
Is an HX40 downpipe required?Yes-this kit uses an HX40-style outlet. We stock downpipes and clamps for an OE-like fit.
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