In full size trucks, some drivers prefer to 'lock' their differential to provide the most power to the ground they can. With this differential locker, the same result can be achieved by replacing the differential with the locker.

This is a set of Gearboxes - Front & Rear for the Team Associated ProLite 4x4. These replacement gearboxes are made from durable composite plastic. Includes front and rear gearboxes.

This is a replacement Tranny Case for the Team Associated Rival MT Monster Truck. This replacement transmission case is made from durable composite plastic.