Genuine HPI spare part for ensured quality, correct maintenance and easy repairs. See below for kit compatibility. 
 
Nitro 3 Evo
Nitro 3 Evo +
Nitro 3 18SS +
Nitro RS4 3 18SS
Nitro MT 2
Nitro MT2 G3.0
Nitro MT 2 18SS
Nitro MT2 18SS +
Nitro 3 SS
Nitro RS4 3
Prodrive Limited Edition Nitro 3