this set is for a hpi wheely king which is a 1/12 my truck has heavy duty diffs and steel tranny gears im looking for something quick without spending alot of money my plan was to zip tie 2 7.2v  4000mah nimh packs to the truck with a traxxas y harness wired in series i know some will say why not lipo i dont want to buy another charger for lipo i have a good charger for the nimh and i can the packs for 20.00 each i can get the the sidewinder 4600kv and the packs for 160.00