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Industrial Injection S300 SX-E single turbo kit for 2003–2007 5.9 Cummins engines is a purpose-built single-turbo upgrade using 62/74 compressor and turbine sizing with a 0.91 A/R turbine housing. The combination targets improved midrange and higher-flow capability for altered Cummins setups while remaining a kit configured around the S300 SX-E turbo housing for the specified engine years.
Industrial Injection 03-07 5.9 Cummins S300 SX-E Single Turbo Kit 62/74 w/ .91 A/R
