Cooling System Stop Leak Irontite 16 oz

The racer's choice Ceramic Motor Seal permanently seals leaking head gaskets, cracked heads and blocks in aluminum or cast iron. Coats the engine and prevents formation of rust and salt water corrosion. Seals porous castings in the cooling system. Stops coolant leaks. Promotes heat dissipation for added power. Note: Ceramic Seal is not compatible with anti-freeze. All anti-freeze must be removed before using. Use a flush to clean your cooling system and after flush your system with water at least once. Ceramic engine block sealer is a product to coat all areas of the inside of your engine cooling system. It's important to start with a clean and free of debris system. For this reason it is recommended to fully clean your cooling system. One bottle treats up to 6 gallons. HD trucks may require additional bottles.