Aluminum Differential / Gear box F&R for Traxxas E-Maxx 3908/ 3905 SuperMaxx GA
Front & Rear Aluminum Differential / Gear box for Traxxas E-Maxx T-Maxx SuperMaxx GA. you can use E-Maxx3908 / 3905 T-MAxx 3.3 internals gear. No internals gear included.