This Schumacher Racing Products factory replacement rebuild kit restores the gear differential on compatible Schumacher KR, KC, L1/Evo, LD, and ST platform vehicles. The kit includes mounting screws, metal washers, O-rings, a spider gear, a circlip with pin, and associated hardware needed to service the gear diff. Having all replacement components in one kit simplifies maintenance and gets your drivetrain back to factory spec. Features: Includes screws, washers, O-rings, spider gear, circlip, and pin Covers KR, KC, L1/Evo, LD, and ST platform gear diffs Factory replacement from Schumacher Racing Products 7/7/26 cs