Chrome primary cover sets your bike apart from the rest Primary cover comes complete with matching primary, derby, and inspection covers Adding a inspection cover allows easy use of included Attitude chain adjuster Attitude chain adjuster replaces stock auto chain adjuster found in late model H-D's Manual adjuster allows rider to manually adjust the chain tension to the proper 5/8"-7/8" freeplay preventing auto over tightening All parts machined from 6061-T6 billet aluminum Direct bolt on replacement for the stock outer primary Includes outer primary gasket inspection cover gasket and stainless steel hardware Backed by a 2-year manufacture's limited warranty