ACCEL 152304 38 Amp Charging System Kit Everything you need to charge your bike including a rotor stator and chrome voltage regulator Matched components engineered to withstand severe vibration and the grueling punishment of daily use Rotors have magnets enclosed in stainless steel and an extra thick housing and splines Stators are precision machine wound with pure copper windings specially coated in high temperature insulation OE style connectors make installation a snap