Industrial Injection S300 SX-E single turbo kit for 2003–2007 5.9 Cummins engines is a direct-fit single-turbo solution based on the S300 SX-E platform. It features 62/68 compressor and turbine sizing with a 0.91 A/R turbine housing to balance spool and top-end flow for heavier-duty Cummins applications. The kit is offered to upgrade turbocharging on the listed engine range.
Industrial Injection 03-07 5.9 Cummins S300 SX-E Single Turbo Kit 62/68 w/ .91 A/R