This is a replacement 70T 32 pitch spur gear from Traxxas. The spur gear is the gear that the clutch bell on the engine meshes with.
- Traxxas E-Maxx
- Traxxas Nitro Rustler
- Traxxas Nitro Slash
- Traxxas Nitro Stampede
Note: This list may not be 100% accurate or up to date, and is meant to be used as a guideline for compatibility.