1:14 Scale Compatibility: Perfectly fits 1:14 scale RC cars for easy installation and seamless integration. 6-Piece Set: Drive Shaft + Differential + Motor Gear. 4-Piece Set: Drive Shaft + Motor Gear.
For WLtoys 12428 12423 Front Rear Metal Differential Upgrade Parts Set
For WLtoys 144001 Metal C Hub Upgrade Parts Set for RC Car Replacement
