Squeeze more performance out of your GY6-powered scooter, ATV, or go-kart with the RDLN Racing Variator with Roller Tuning Kit. Complete drive pulley assembly with three sets of roller weights (12g, 13g, 14g) so you can dial in the perfect balance of acceleration and top speed. Modified ramp plate raises maximum power output. Copper-core, wear-resistant nylon rollers outlast standard OEM weights. Kit includes:
Roller weight tuning guide:
Compatible Models:
Compatible Engine Codes (Most 152QMI, 157QMJ, 161QMK-based motors (125cc�169cc):
California Prop 65 Warning: www.p65warnings.ca.gov
