BlueDevil Head Gasket Sealer - Product Spotlight #1 Video
According to the company, BlueDevil Head Gasket Sealer will repair and seal leaks in blown head gaskets, warped or cracked heads, heater cores and freeze plugs. BlueDevil contains no solid or particulate matter, and will not clog or harm an engine. This sealer bonds to metal, aluminum, cast, alloy or plastic. BlueDevil Head Gasket Sealer is compatible in gasoline and diesel engines to stop leaks permanently.