CR Performance Billet Flank Milled Upgrade Compressor Wheels for the Dodge Ram 5.9L 2003-2004.5   Application: Holset Cummins 4035398 ISX ISX2 ISX3 ISX4 QSX15   Turbo Model: Holset ISX Blades: 8 8 Inducer: 71.8mm Exducer: 109.0mm Total Height: 54.0mm Bore: 8.00mm Weight: 288g   Interchange Part Number: 4035398, 3526176     These Compressor wheels offer the following advanced features. Modern Extended Tip Technology – Increasing capable boost pressures and increasing surge margin, therefore reducing surge. Provides improved throttle response and a boost increase at equivalent turbo RPM. High Flow Design – Slim hub/nose design and advanced blade design provides a higher flow at compressor choke and through the entire operating range. Higher blade heights give proven higher performance. Fast Spool Times – Weighing in at 288 grams these compressor wheels are ready to spool fast. Stock Housing Fitment – No compressor housing modifications required. Higher Performance Modern Design – Out performs stock with a larger extended tip exducer and higher blade height over stock. All our compressor wheels are single plane balanced right out of the box however we recommend a full rotating assembly balancing, please have your installer balance the assembly or contact us as we offer a full balancing service if you send us your turbine.   Please read our policy before you make a purchase. By purchasing this item you agree with our policy noted on our FAQ page