This Schumacher Racing Products factory replacement 72-tooth spur gear is designed for the centre differential of the Cat PB 4x4 buggy. Machined to a 48 pitch specification, it provides a precise fit for the centre diff assembly. The CNC construction ensures consistent tooth geometry for reliable power transfer through the drivetrain. Features: 72 tooth count 48 pitch CNC machined construction Centre differential application 7/7/26 cs