Dr. Pulley Variator; GY50/QMB139, Buddy 50, RoughHouse
Variator kit includes, Back Plate with spacers, Drive Face, Pulley, Pulley Spacers and Drive Boss.
Pair these with Dr Pulley Sliders for the best performance you can get out of your Dr Pulley Variator.
Please note, in order to install on a Genuine Buddy 50 or RoughHouse, you must reuse the OEM drive face.