Feature: 1. This aluminum differential cup compatible with Tamiya TT-01 TT-01E TT-02 TT-02B 1/10 RC drift car. 2. It is much stiffer than the standard stock parts, and provide more stable performance for remote control car. 3. Lightweight upgrade instantly enhances overall performance in handling and durability. 4. Made of high quality aluminum material, novel appearance and exquisite workmanship. 5. Upgrade parts,lightweight and durable performance,easy to install.