GM XR1 Series Turbo For 2004.5-2010 6.6L Duramax 64mm Industrial Injection " Differential Covers and Parts With supporting modifications

With supporting modifications

5 Inch Billet Tube End PPE Diesel

offering uncompromising strength and rigidity over factory keys

and Billet P2 Carrier and Billet C2 Hub w/ Modified P1 Sun Gear) Replaces 2-Wheel Drive 68RFE 2019+

The 66RFE transmission is plagued by many of the same component failures as its bigger sibling

GM XR1 Series Turbo For 2004.5-2010 6.6L Duramax 64mm Industrial Injection " Differential Covers and Parts With supporting modificationsThis XR1 Series GT3788 Turbocharger comes with an upgraded Billet Blade Technology 64mm compressor wheel as well as a polished compressor housing. The Billet Blade Technology 64mm 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