This Associated factory replacement differential set is designed for the Model 24 1:24 scale platform. The set includes the spur gears, differential ring and pinion bevel gears, output cups, bearings, and pins needed to rebuild or replace the differential assembly. Plastic spur gears and metal differential components are included, giving hobbyists everything required for a complete drivetrain service. Features: Complete differential rebuild set Includes plastic spur gears and metal bevel gears Metal output cups and differential pins included Bearings included for a full assembly 7/7/26 cs