This Kyosho differential gear assembly is a factory replacement unit for the Mini-Z Buggy platform. It arrives as a complete pre-assembled differential, ready to drop into the drivetrain without requiring individual gear sorting or assembly. The unit handles power distribution between the output shafts and is a direct swap for a worn or damaged original. Features: Complete pre-assembled differential unit Direct factory replacement for Mini-Z Buggy Replaces worn or damaged stock differential 7/7/26 cs