Dr. Pulley GY6 Variator Kit

Dr. Pulley Performance Variator Assembly V 181401 for 125cc & 150cc 4-stroke GY6 engines. Specially Designed Ramp Shape Extended Ramp Length Adjustable Boss Length Racing Type Ramp Plate Includes Instructions Includes Sliders Does Not Included Roller Weights Number of Splines: 19 Drive Face Outer Diameter (A): 114mm Boss Inner Diameter (C): 15mm Boss Outer Diameter (B): 24mm Ramp Plate Inner Diameter (D): 15mm  Fan Inner Diameter Peak to Peak (H): 14mm Fan Inner Diameter Valley to Valley (G): 15mm