Industrial Injection S300 SX-E single turbo kit for 2003–2007 5.9 Cummins engines features 66/74 compressor and turbine sizing with a 0.91 A/R turbine housing. The S300 SX-E based kit seeks to improve mid- and top-end airflow while keeping response suited to modified Cummins setups. It is offered as a turbo kit intended to replace the factory turbo for the listed engine applications.
Industrial Injection 03-07 5.9 Cummins S300 SX-E Single Turbo Kit 66/74 With .91 A/R