2004.5-2009 Duramax – New Garrett PowerMax – Stage 2 Upgrade – 773542-5001

DescriptionGarrett model GT4094VA turbocharger Featuring the Garrett® patented Advanced Variable Nozzle Turbine (AVNTTM) design for increased compressor flow and turbine flow Utilizes nine movable vanes which significantly increase turbine efficiency and improve engine performance from idle launch through peak torque Patented integral electro-hydraulic actuation and proportional solenoid for infinitely variable control Provides up to an estimated 575 hp with no sacrifice to drivability Larger compressor trim (52), plus larger GT40 turbine wheel and vanes vs. Stage I Outline interchangeable, for a perfect fit each and every time