This Power Wheels Motor Upgrade is the perfect addition to your child's electric car or ride-on toy. With a sturdy and reliable gearbox, this upgrade is compatible with RS390 and 500 motors and can power vehicles with 12V or 24V systems. The upgrade includes a motor gearbox that is easy to install and can provide a smoother and more powerful ride for your child. Whether your child is playing outside or cruising around the neighborhood, this Power Wheels Motor Upgrade can provide a safer and more exciting experience. The upgrade is made by KoovDem and is designed to meet the needs of parents who want to provide their children with a high-quality and reliable ride.