Check the listing for details. Blue Devil: Head Gasket Sealer, Permanent Repair, 32 Ounce Bottle. Condition: New, Made in United States. Listed at 62.99 USD. About this item Easy to use: The BlueDevil Head Gasket Sealer is designed to be easy to use, allowing you to quickly and easily seal leaks in your engine without the need for any special tools or skills. Permanent seal: This product is formulated to provide a permanent seal for your head gasket, ensuring that you won't have to worry about leaks or other issues down the line. It will repair and seal leaks in blown head gaskets, warped or cracked heads, heater cores, and freeze plugs. Compatible with all types of engines: Compatible with gasoline and diesel engines, making it a versatile product that can be used on a wide range of vehicles. Safe to use: Contains no solid or particulate matter and will not clog or harm your engine.