This Arrma Metal Diff Case set contains all the parts required to upgrade a plastic cased differential. Manufactured from lightweight, durable aluminum and hard wearing steel, this set adds strength and durability to the differentials of your model.

This Arrma Metal Diff Case set contains all the parts required to upgrade a plastic cased differential. Manufactured from lightweight, durable aluminum and hard wearing steel, this set adds strength and durability to the differentials of your model.