This is the Hot Racing steel helical differential ring pinion for the Arrma BLX 3S/4S vehicles.
Compatibility:
- Arrma Big Rock 3S BLX
- Arrma Granite 3S BLX
- Arrma Granite 4x4 Mega
- Arrma Kraton 4S BLX
- Arrma Outcast 4S BLX
- Arrma Senton 3S BLX
- Arrma Typhon 3S BLX