This gearbox set is a crucial replacement or spare part specifically designed for the Kyosho Sand Master 2.0 2WD off-road buggy, ensuring the sustained performance of its rear-wheel drive system. It houses the vehicle's differential and reduction gears, efficiently transferring power from the motor to the rear wheels, which is essential for proper vehicle operation and powerful acceleration. Constructed from durable composite plastics for the main housing and featuring robust internal gears, this complete assembly ensures the driveline's integrity and smooth power delivery, allowing enthusiasts to maintain or restore their buggy's factory-intended capabilities on various terrains.