Garrett Stage 1 Turbocharger 2004.5-2010 Duramax 6.6L

Garrett Stage 1 Turbocharger GT3794VA 2004.5-2010 Duramax 6.6L

The Duramax Stage 1 turbocharger kit features Garrett patented Advanced Variable Nozzle Turbine AVNT™ design for increased compressor and turbine flow. The GT Series wheel design ensures top performance, lower back pressure, and reduces intake and exhaust gas temperatures. The unique design features 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 allow for infinitely variable control. Suitable as a performance upgrade or replacement for original equipment. Outline interchangeable with the OE turbo for perfect fit each and every time.

• A Garrett exclusive ball bearing cartridge for unbeatable response, efficiency, and durability. Elimination of the thrust bearing eliminates Failures at elevated boost levels
• The upgrade results in lower intake and exhaust gas temperatures as well as reduced backpressure for more efficient air flow
• Water-cooled center section with a patented dual ball-bearing center section results in higher durability and longer turbo life
• Oil inlet fitting features a built in restrictor for worry-free operation
• High flow compressor wheels move air quickly and powerfully
• Maximum recommended boost is 40 psi

Garrett Stage 1 773540-5001S Turbo Specs

Horsepower: 590*

Compressor Inducer: 65mm

Compressor Exducer: 94mm

Compressor Trim: 48

Compressor A/R: .58

Turbine Inducer: 73mm

Turbine Exducer: 67mm

Turbine Trim: 78 Turbine A/R: .90

* Estimated. Note that the performance increase of this product is highly dependent upon each vehicle's modification and tuning/calibration

2004.5, 2005, 2006, 2007, 2008, 2009, 2010 Chevrolet / GMC Duramax 6.6L 2500/2500