Pack of two 12V 550 40000RPM motors designed to enhance power and speed in children's ride-on toy cars. Constructed with durable plastic and high-quality motor components, this upgrade offers reliable performance and extended durability. The 12V 550 motor delivers high-speed operation with 40000RPM, featuring a 12mm shaft hole diameter and a compact 35mm motor diameter for easy fitment. Designed for straightforward installation and replacement, it includes quick-change wire connectors that require no soldering. Compatible with most 12V ride-on toy vehicles, this motor supports smooth and efficient operation. Includes model numbers for easy identification and compatibility reference. Ideal for use in children's ride-on toys requiring a 12V motor. Gearcases can be quickly installed or removed. For best results, ensure the vehicle’s battery is in good condition and all connections are secure. Color: Black. Material: Plastic and metal. Note: Slight color variations may occur due to lighting and screen display differences. These do not affect functionality. Package Contents: 2 pcs 12V 550 Motors for Kids Ride-On Cars. Other items not included. Measurement tolerance: +/- 1-3 cm.