This Schumacher Racing Products diff spacer set is a factory replacement for the Atom 2 platform, keeping your differential assembly properly shimmed and seated. The set includes one taller spacer ring and three flat shim rings, all in a dark gray finish. Designed for 1:12 scale racing applications, these parts maintain correct differential preload and spacing within the gearbox. Features: Includes one thick spacer and three flat shim rings Designed for 1:12 scale differential assemblies Factory Schumacher Racing Products replacement part 7/7/26 cs