Industrial Injection S300 SX-E single turbo kit for 2003–2007 5.9 Cummins engines offers 64/68 compressor and turbine sizing with a 0.91 A/R turbine housing. The kit, based on the S300 SX-E turbo, is intended to enhance airflow and midrange response for altered Cummins setups and serves as a replacement-style turbo kit specifically matched to the stated engine family and years.
Industrial Injection 03-07 5.9 Cummins S300 SX-E Single Turbo Kit 64/68 With .91 A/R