Outer cover CNC machined from billet aluminum. Black powdercoat or Chrome finish. Features a .25″-thick, clear polycarbonate window to your clutch. Viewing window is scratch and discoloration resistant, firmly secured in place and sealed with an O-ring gasket. Derby cover gasket included. For the ultimate in looks and performance, install a Barnett lock-up clutch with your new cover. Made in the USA. Will also fit other ’18 Softail models using a narrow profile primary cover..