Industrial Injection 227444 S300 SX-E 64/68 Single Turbo Kit .91 A/R 2nd Gen Style

The Industrial Injection 227444 is a complete S300 SX-E 64/68 Single Turbo Kit featuring a .91 A/R turbine housing, designed as a high-performance, bolt-on upgrade for the 5.9L Cummins diesel engine. This kit centers the turbo on the cylinder head using a high-flow T4 manifold in a classic 2nd gen-style layout — repositioning the turbocharger between cylinders three and four for more balanced airflow distribution across all cylinders compared to the factory offset design.

At the heart of this kit is the Borg Warner S300 SX-E turbocharger — a purpose-built diesel performance turbo engineered to deliver substantially more airflow and quicker spool-up than standard S300 units. The SX-E series eliminates the need for aggressive internal modification, instead offering a factory-engineered performance platform right out of the box.

Key Features:

• 64mm inducer / 68mm exducer compressor wheel for strong mid-to-high range airflow
• .91 A/R T4 turbine housing for balanced spool response and top-end flow
• 360° thrust bearing — upgraded internals for long-term durability under high load
• FMW (Forged Milled Wheel) compressor wheel for increased strength and precision
• High-flow T4 manifold — centers the turbo in a 2nd gen-style position on the head
• Bolt-on design for straightforward installation
• Reduces exhaust gas temperatures (EGTs) compared to the factory turbocharger
• Widens the overall powerband for improved towing and performance

Emissions Notice: This product is intended for closed-course competition use only and is not legal for on-road, off-road, or dual-use applications. Compliance with all applicable state and federal emissions regulations is the sole responsibility of the purchaser.