Turbosmart's Type 5 BOV outlet blanking plug allows you to block off any Turbosmart Type 5 BOV outlet port. Turbosmart's blow off valves are known for their quality, so this blanking plug is a great way to ensure your BOV is operating correctly. If you need to block off an outlet port on your Turbosmart blow off valve, this blanking plug is the perfect solution. It's quick and easy to install and will keep your BOV functioning properly. Order yours today! Blanking Plug - Outlet blanking plug to suit Turbosmart Plumb Back, Dual Port and Supersonic BOVs. Allows you to block off any outlet port on any Turbosmart Type 5 BOV. To suit Turbosmart Plumb Back, Dual Port and Supersonic BOVs. Allows you to block off any Turbosmart Type 5 BOV outlet port. Universal