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 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 All systems include a chrome plated regulator/rectifier. Many orders are received before the estimated date. Powered by SixBit's eCommerce Solution.The item "Performance Charging System Regulator Stator Rotor Kit Harley Evo Big Twin 70-99" is in sale since Friday, June 2, 2017. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Electrical & Ignition\Other Electrical & Ignition". The seller is "m40powersports" and is located in Lawton, Michigan. This item can be shipped worldwide.