2003 6.0 Power Stroke GT37VAS 1010 10 Blade Turbine Wheel Shaft 66.4mm x 72.57mm GT3782VAS 10 Blade Turbine Wheel Machining Turbine Housing Required for 2004+ Garrett Part Number 725390-0003 We offer the Turbine Housing Machining Service if you Need. Balanced and Ready To Install