For over forty years, Zipper’s Performance Products has been the premier performance resource for professional technicians, performance enthusiasts and racers of the Harley-Davidson® motorcycle. Zipper’s Performance set the pace for the rest of the industry by being the first to develop reliable, pre-engineered Performance Kits for Harley® engines. These Performance Kits dramatically reduce the time and effort required to achieve repeatable results. Plus we manufacture best in class products including Red Shift Cams®. Whether you are considering a quick afternoon upgrade with a Zip Kit, performance cams or can’t wait to open the throttle on Zipper’s Muscle Kit, Zipper’s Performance offers Performance Kits to suit any every performance application.
Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.