4PC: Driveshaft Assembly. 6PC: Alloy Differential + Reduction Gear + Driveshaft Assembly. Upgraded Alloy Differential: Enhances durability and performance for smoother power transmission in RC models.
Alloy Differential Set Transmission Shaft 6pc 4pc for For WLtoys RC Car Models
6pc 4pc Differential Gear Transmission Shaft Kit Fits For WLtoys RC Cars Models
