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 improved performance and longevity. The 12V550 motor delivers high-speed operation with 40000RPM, featuring a 12mm shaft diameter and compact 35mm motor body for easy fitment. Designed for simple installation and replacement with quick-connect wire connectors—no soldering required. Compatible with most 12V ride-on toy vehicles. Ideal for use in kids' ride-on cars requiring a 12V motor. Offers reliable performance and smooth operation. Includes model numbers for easy identification and compatibility reference. 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. Slight color variations may occur due to lighting and display differences. Package includes: 2 x 550 12V Motors for kids ride-on cars. Other items not included. Measurement tolerance: +/- 1-3cm.