The Sun Coast GM-1056-3D Triple Disc Torque Converter for your 2001-2010 GM 6.6L Duramax is the perfect option for most daily driven trucks. The 1056 converter is Sun Coast's journeyman converter that incorporates an OEM style stator and custom modified impeller to allow low end torque multiplication (" gets the load moving") and high end efficiency ("puts the power to the road"). Combined with the Sun Coast triple clutch and billet cover, it is a great converter for daily driving, towing and or racing. This converter spools good with stock to medium size turbos.