Industrial Injection S300 SX-E single turbo kit for 2003–2007 5.9 Cummins engines pairs 63/74 compressor and turbine sizing with a 1.0 A/R turbine housing in a single-turbo kit format. Built on the S300 SX-E platform, this kit targets improved high-flow capability and boost control for modified Cummins engines while functioning as a direct replacement for the factory turbo on the listed years and displacement.
Industrial Injection 03-07 5.9 Cummins S300 SX-E Single Turbo Kit 63/74 w/ 1.0 A/R