The Tamiya 42388 axle shafts are intended for use with the TRF421 chassis and are supplied as a two piece set to refresh the driveline. Fitting the correct parts helps retain the original handling balance of your model.
Manufactured to suit the TRF421 chassis, the Tamiya 42388 shafts are the correct choice when replacing worn driveline components. Proper fitment reduces unwanted play in the double cardan joints.
Make sure the axle shafts are aligned with the double cardan joint shafts to avoid binding and uneven wear. Regular inspection and timely replacement will keep the vehicle operating predictably during practice and competition.
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