Upgrade your '70-'84 Big Twins weak charging system with this upgraded 32 Amp Kit! These systems are the perfect choice when building a bike from scratch or when upgrading your weaker charging system. The alternator rotors feature fully encased sets of magnets that will NOT loosen like OEM rotors. Instead of having 6 long magnets like OEM rotors, these feature 12 short magnets to match the number of laminated windings found on the stator. Comes with a beautiful Chrome plated regulator/rectifier. Includes a high-performance alternator rotor. Fits 1970-1984 Shovelheads and 1984-1999 "EVO" Evolution Big Twin Motors (Except Twin Cam and EFI Models.) Finish: Regulator/Rectifier: Chrome Dimensions: Package Dimensions: Length - 10” Width - 7-1/2” Height - 5” Weight - 8 Pounds 10 Ounces Fitment: Fits 1970-1984 Shovelheads and 1984-1999 "EVO" Evolution Big Twin Motors (Except Twin Cam and EFI Models.)