1. Material: The differential cup accessory for remotecontrolled RC cars is made of hardened steel, ensuring a smoother ride, higher load capacity, and a larger drive angle to maximize performance. It is easy to install and remove, and damaged parts can be directly replaced. 2. Features: The differential output cup has less backlash and friction, ensuring even rotation and maximum stability, enhancing the performance of your remotecontrolled car. This differential output cup is an choice for replacing old or damaged RC racing car parts. It is more robust and has an improved appearance. 3. Installation: It is easy to install and remove, with a precise shape and size design. Exquisite craftsmanship enables advanced design application. It has a sleek appearance, is lightweight, improves the performance of the model car, adds more fun to your remote control, has driving power and efficiency, making your RC driving smoother. 4. Service: Please confirm before that our products are compatible with your RC car.