Want to add brake rotors to youre model?.here is all that is involved:first take a razor saw and cut axle housing directly behind molded on brake rotor.drill out axle tube so brake rotor will push in.paint rotor kit desired colors then epoxy to axle assy..use reference photo's to get correct angle of caliper.once epoxy has dried you can add brake lines.thats all you have to do for adding aftermarket rotors to youre kit.metal rotor kit furnished by BLUE RIBBON.