AtomicRC's Optional/Upgrade, highly anticipated MRZ PRO, CONVERSION KIT, intended to convert the MRZ Double A Arm Version into the incredible MRZ PRO Completion chassis! NOW with REAR TOE adjustment, for incredible traction. This kit offers: every component to go fast, with exceptional suspension tuning! Including: Wheels, axles, bearings, OPTIONAL, "Dust Proof" ball differential, Aluminum rear uprights, Front springs, out drives, shocks, nuts washer, spacers, shims, aluminum front knuckle set, new battery mount, pinion, metal rear motor pod and a camber gauge! This is race 1/28 engineering at its best.