Polini Clutch Spring Kit for 139QMB Gy6 50cc

Polini Clutch Spring Kit for QMB139, Honda Elite SA/SR 50, Kymco ZX50 and SYM DD50. May fit other models as well. Includes 3 sets of different stiffness springs for tuning. Increase in spring rates is as follows:

Silver Spring: +20%
Green Spring: +35%
Blue Spring: +50%

Made in Italy!