
2013-2016 Cummins S475 W/1.00 Turbine A/R Turbo Kit (22C421)
Description
The Industrial Injection 22C421 is a complete S475 turbo swap kit for the 2013-2016 6.7L Cummins Ram 2500/3500. The kit pairs a 75mm billet compressor wheel with an 83/74mm turbine wheel inside a 1.00 A/R T4 turbine housing — the middle A/R option in this S475 series, balancing spool against top-end drive pressure. Injector upgrades are required to feed the airflow.
Features
- Complete S475 turbo swap kit
- 75mm compressor wheel
- 83/74mm turbine wheel
- 1.00 A/R T4 turbine housing
- ~100 lbs/min airflow
- Includes everything needed for installation
Notes
- Injector upgrades required to maximize spool and power.
- Industrial Injection performance products are not legal for on-road, off-road, or dual-use applications and are intended for closed-circuit competition only.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Description
The Industrial Injection 22C421 is a complete S475 turbo swap kit for the 2013-2016 6.7L Cummins Ram 2500/3500. The kit pairs a 75mm billet compressor wheel with an 83/74mm turbine wheel inside a 1.00 A/R T4 turbine housing — the middle A/R option in this S475 series, balancing spool against top-end drive pressure. Injector upgrades are required to feed the airflow.
Features
- Complete S475 turbo swap kit
- 75mm compressor wheel
- 83/74mm turbine wheel
- 1.00 A/R T4 turbine housing
- ~100 lbs/min airflow
- Includes everything needed for installation
Notes
- Injector upgrades required to maximize spool and power.
- Industrial Injection performance products are not legal for on-road, off-road, or dual-use applications and are intended for closed-circuit competition only.



















