The HPI Racing Dif Final Gear Set is the perfect addition to your RC car or truck. Designed for use with the Wheely King and A855 MT2 models, this gear set is brand new and comes in its original packaging. The set includes all of the necessary parts for a smooth and efficient gear system. This black gear set is compatible with both electric and nitro & glow fuel types, making it versatile for any RC enthusiast. It is also suitable for ages 8 and up, making it a great gift for young and old alike. Made in Taiwan, the HPI Racing Dif Final Gear Set is a high-quality and reliable choice for your RC needs.