Feature: 1. Applicable Models: This differential assembly kit is suitable for Traxxas Slash 4x4 1/10 RC cars, please confirm the RC car model before use. 2. Premium and Durability: Made of premium materials, durable, wear resistant, high strength and more refined appearance. 3. Improve Performance: Effectively improve the performance of your remote control car, it can slow down, increase the torsion of the engine, and make the remote control car run smoothly. 4. More Efficient Deceleration Power: Designed for more efficient deceleration power, it can be used to change speed for a smoother ride, lower revs and higher torsional moment. 5. Perfect Fit: Manufactured in precise shape and size to provide a balanced ride that maximizes the RC car deceleration performance. 6. Different Teeth Number Gears: 3 types of pinions with different numbers of teeth are provided, allowing you to have more choices in the transmission ratio and make your RC car perform better. 7. Simple Installation: It is easy to install and disassemble, and the damaged parts can be directly replaced to obtain higher strength. Specification: Item Type: RC Car 52T Differential Assembly Set Material: Steel Gross Weight: 85g / 3.0oz Gear Color: Black Differential Gear Teeth: 52T Number of Motor Teeth: 15T, 17T, 19T Applicable: for Traxxas Slash 4 x 4, for E Revo, for T Maxx RC cars. Package List: 1 x Differential Assembly3 x Gear3 x Conversion Shaft3 x Machine Screw