Performance Machine Vision Cam Cover For Harley Milwaukee Eight Performance Machine Vision cam covers give you the ability to view what goes on inside the heart of your bikes cam chest. The UV and abrasion resistant polycarbonate lens is framed by a 6061-T6 aluminum bezel to add structural integrity as well as provide an even distribution of clamping force to eliminate cracking. All Vision cam covers are precision CNC machine out of billet aluminum and come complete with chrome hardware and any required gaskets. Features Aluminum lens bezel eliminates cracking UV, abrasion, hazing, and yellowing resistant polycarbonate lens CNC machined from billet aluminum Chrome hardware and gaskets included