This high-performance 24V motor gearbox upgrade is designed to transform your child's ride-on car into a powerful driving machine. Featuring RS555 motors with an impressive 50000RPM speed capability, this conversion kit delivers enhanced performance for kids' electric vehicles. Each motor gearbox is constructed with high-strength plastic housing combined with quality motors and durable steel gears for reliable operation. The 24V system operates efficiently within an 18-24V range, making it compatible with various power configurations. With a motor diameter of 1.38 inches and shaft hole diameter of 0.47 inches, these gearboxes are designed for straightforward installation. The package includes quick-change wire connectors that eliminate the need for soldering, allowing for fast and easy installation or removal. This upgrade is specifically customized for high-speed modifications of children's ride-on vehicles. Before purchasing, verify that the gearbox voltage matches your toy car's specifications, as shown in the product images. The set includes two motor gearboxes with all necessary connection components, making this an ideal replacement part for parents looking to restore or enhance their child's electric ride-on car performance.