Centerforce is proud to introduce this DFX Series clutch assembly for 2005.5 to 2007 Dodge Ram 5.9L and 6.7L Turbo Diesel with the G56 Aluminum (Mercedes) Transmission. The new DFX line is the latest series of extreme performance clutches from Centerforce designed as a direct bolt in for perfect fit and function. DFX scores big, not only with holding-capacity and strength, but also provides some of the best drivability for your high torque application.