V-Factor 32-Amp Charging Kit For Harley Big Twin The V-Factor 32-Amp Charging Kit is the perfect choice, whether you are replacing a failing stock system or finishing a ground up build! The alternator rotors features fully encased magnets that have no way of working loose like OEM rotors are known to do. Instead of having just six long magnets like OEM rotors, these rotors have 12 short magnets to match the number of laminated windings found on the stators. Features: Includes a chrome plated regulator / rectifier Features standard spline rotor with two rotor spacers Replaces OEM 29985-87