variator Polini Hi-Speed for Piaggio 50 4-stroke (Purejet) P.33147

Latest variator technology from Polini for untuned 50cc engines for improved acceleration and higher top speed. Polini evo sliders make for better power transfer and shifting. No additional tuning required, so a great option for untuned scooters. Delivery contains: Hi-Speed variator with sleeve, 1x set of reinforced clutch springs, counter pressure torque spring, Evo-sliders and 1x set of variator weights (19x15.5) at 4.7g. Installation instructions can be found under the plastic inlay inside the packaging.