Alu adjustable ball differential for M18 allows you to fine-tune the management traits using this type of at this time great-handling micro racecar. Includes duraluminum hardcoated dual-slotted production shafts, screw for outside modification, heavy-duty diff washers, and top-notch steel diff balls. Differential is quite built by the factory along with the diff can be employed at front part or straight back of M18.