This is the the optional Hot-Racing 68T 32P 0.8 Mod Steel Spur Gear for the Traxxas E-Maxx, E-Revo, 1/8 Funny Car, and Summit.
- Traxxas 1/8 Funny Car
- Traxxas E-Maxx
- Traxxas E-Revo
- Traxxas Summit
Note: This list may not be 100% accurate or up to date, and is meant to be used as a guideline for compatibility.