Replacement of Parts# 4676, the 48P 76T spur gears;
83-tooth spur gear (48-pitch) for Torque Control slipper clutches, let you fine-tune the performance of your model. Changing gear ratios can help balance acceleration and top speed for different running conditions;
Nylon construction for high-power applications, not easy to damage, wear-resistant, precise dimensions and easy to install;
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