If you need more electricity on your bike, Accel has the solution for you! Now you can increase the power supply from 32 Amp. A 40 Amp. Accel Letric stators are built in the USA with the highest quality materials available, using the top of technology. These stators, which are superior to OEM specifications, are tested one by one by Accel before being shipped to verify their quality. Available as an upgrade for Big-Twin Evolution models, where it will be used with the ZPN 722022 controller.