The Powermate 044-0064 Flywheel, 12" A Groove helps maintain smooth power transfer and stable equipment operation. This 12-inch flywheel features an A-groove design that works with compatible belts to transfer rotational power efficiently. It also helps regulate engine speed by storing and releasing rotational energy during operation. Built for dependable use, this replacement compone... https://www.wholetoolbox.com/powermate-044-0064-flywheel-12-a-groove/044-0064.html