Arrma 3S/4S BLX & MEGA Metal Main Differential Gear (37T)

Arrma 3S/4S BLX and MEGA Metal Main Differential Gear 37T. This is a replacement input gear intended to fit various 3S/4S BLX and MEGA 550 Arrma vehicles.

Includes:

• (1) Arrma Metal Main Gear 37T (Mod 1.35)

@A4