2004.5-2010 6.6L Duramax XR3 Series Turbocharger 71mm/ 67mm

2004.5-2010 6.6L Duramax XR3 Series Turbocharger 71mm/ 67mm This XR3 Series 6.6L Duramax Turbocharger comes with an upgraded Billet Blade Technology 71mm compressor wheel as well as a polished compressor housing. The Billet Blade Technology 71mm compressor wheel is designed to increase turbo efficiency to help lower EGT's while adding strength and reliability. The increased compressor wheel size of the XR1 will help increase performance when running larger injectors and/or tuning where the factory sized turbo can no longer keep up. Features: Upgraded with 71mm Billet Blade Technology compressor wheel Slim nose designed compressor wheel for increased wheel efficiency Upgraded 67mm high flow turbine wheel Utilizes nine movable vanes which significantly increases turbine efficiency and improves engine performance from idle launch through peak torque **LLY Requires 771864-0001 Adapter**   *Image is of the optional polished compressor cover for additional cost.