905758 Push-in mushroom allen head plugs 5/16". Black

These MCS mushroom-style allen head plugs are designed to provide a sleek, blacked-out finish to your Harley-Davidson hardware. Sized to fit 5/16-inch allen head bolts, these plugs feature a click-fit installation that ensures they stay securely in place during operation. The rounded mushroom profile covers the bolt head completely, protecting the socket from road grime and moisture while streamlining the look of the motorcycle. These are particularly effective on blacked-out engines or chassis components where silver bolt heads would otherwise stand out. Sold in packs of 25, they offer a comprehensive solution for detailing. Replaces OEM 905758.