When you want to have more lights or electronics Accel has the answer. Now you can upgrade from 32Amp. to a 40Amp. Accel Lectric Stators are made in the USA from the highest quality components using the latest state-of-the-art manufacturing techniques. Lectric stators meet or exceed OEM specifications. Each unit is inspected and tested prior to shipping to ensure consistency of quality and performance. Available as an upgrade version for Evolution Big Twin. Must be used in conjunction with Twin Cam type regulator, such as fmc-743245 (OEM 74518-99A). Note: Always check clearance of alternator wires when replacing stator and/or rotor.