Gasket by BlueDevil Products. Details:You probably never think of your car’s head gasket until something goes wrong and you’re forced to deal with it. It is a vital component that usually doesn’t require much maintenance, but you will want to do everything you can to prevent it from cracking and becoming a blown head gasket. There are simple fixes out there that can seal a leak in your head gasket before the problem gets out of control and extremely costly. BlueDevil Head Gasket Sealer is your head gasket repair solution as it 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 your engine. It bonds to metal, aluminum, cast, alloy, or plastic, and it’s safe and easy to use as a permanent seal for your head gasket leak. BlueDevil Head Gasket Sealer is compatible in gasoline and diesel engines.