Add durability and remove excess weight with this great option part
to fit all HPI Nitro 3 and Nitro MT 2 cars and trucks! Simply
replace the stock, loose parts with the stiff and lightweight parts
included with this set to lower the weight of your Nitro 3 or Nitro
MT 2 and tighten up the drivetrain! Just one set is needed to fully
outfit your car or truck - the set includes replacement front, rear
and centre gearboxes. Fits all Nitro 3 and Nitro MT 2 kits!