Dr. Pulley Jog 50 Variator Kit

Dr. Pulley Performance Variator Assembly for 50cc 2-stroke Minarelli 1PE40QMB Jog 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: 17 Drive Face Outer Diameter (A): 94mm Boss Inner Diameter (C): 13mm Boss Outer Diameter (B): 18mm Ramp Plate & Fan Inner Diameter Peak to Peak (E & H): 12mm Ramp Plate & Fan Inner Diameter Valley to Valley (D & G): 13mm