Industrial Injection XR2 Series Turbo Billet 68mm 04.5-10 6.6L GM Duramax LLY/LBZ/LMM DDP-N325-STK you will need the FASS

you will need the FASS Suction Tube Kit offered here

Category 5 rebuild kits also includes SunCoast's larger one-piece billet 27-spline input shaft

CM-110-90255 - 7-9" Lift Height - 14" Length

Although these will not be "required" on every truck

Industrial Injection XR2 Series Turbo Billet 68mm 04.5-10 6.6L GM Duramax LLY/LBZ/LMM DDP-N325-STK you will need the FASSUpgrade the turbo in your 2004. 5 2010 6. 6L Duramax with this Billet 65mm Modified XR2 stock replacement turbo from Industrial Injection. This XR2 Series Turbocharger comes with an upgraded Billet Blade Technology 68mm compressor wheel as well as a polished compressor housing. The Billet Blade Technology compressor wheel is designed to increase turbo efficiency to help lower EGT's while adding strength and reliability.