400 Series Motor
This is a big upgrade for your rc tank. It doesn't matter if you have a Tamiya or Heng Long, this, these motors will make a big diference in power and torque. If you are an IR battler, then this is a must.
480 Series Motor
This is for guys looking for the most torque out of their tank. An absolute beast for the battlefield or off road tanking. It wll get the job done when it counts!