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Moving forward from the rear of the case, the new E4OD low-gear assemblies are installed (see “A Case for Lower Gears” sidebar). After the rear ring gear and low-reverse planetaries comes the input shell, sun gear, forward planetary assembly (with another Torrington bearing), and another set of clutch packs which are stacked up and snap-ringed into the forward clutch drum. The drum gets a light resurfacing by hand for better bite. The input shell and forward clutch assembly is now ready to be slid onto the output shaft.