Traxxas Planetary gears (4)/ planet shafts (4)/ sun gears (2)/sun gear alignment shaft (1) all hardened steel

Replacement hardened-steel internal gears for 2381X differential. Includes planetary gears (4), planetary shafts (4), sun gears (2), and alignment shaft.

Check the owner's manual of your vehicle to confirm fitment and proper usage of this product before purchase.