This Schumacher Racing Products factory replacement slipper spring seat is designed for the Cat PB 4x4 buggy platform. The metal flanged bushing-style seat locates and retains the slipper spring assembly within the drivetrain, keeping slipper clutch engagement consistent. Replacing a worn or damaged seat helps restore proper slipper function and drivetrain performance. Features: Metal construction Flanged bushing design for precise spring location Factory replacement for Cat PB slipper assembly 7/7/26 cs