Dr. Pulley Variator Kit (23mm x 18mm) for CFMoto, Roketa 250, CFMoto V3 / V5 250INCLUDES: VariatorVariator FanVariator Back PlateVariator PinWeights Sold SeparatelyCOMPATIBILITY: CFMoto V3 / V5 Hammerhead Go Kart 250 Joyner Go Kart 250Kymco People 250, Bet & Win 250, Xciting 250, Dink 250Chinese Honda Cloned 172mm Engines This performance Dr. Pulley Variator (front clutch assembly) is specifically made for CF Moto 250cc with HI/LOW transmission engine. Therefore, this clutch only works for the GTS 250 or SS 250 or any other 250s on the market with hi/low transmission. Variator Outer diameter: 138mm Number of Fan plate teeth: 21 The steep angle ramp plates in the Dr Pulley variators allow for faster and smoother engagement at all speeds, and allow lighter weighted sliders to fully extend to make the most of your CVT system. The Dr. Pulley variator comes with the variator, fan plate, and center dowel pin. Rollers or sliders not included. **