A leaking head gasket is bad news for your car and can be costly if it is not taken care of right away. The 16 oz. BlueDevil 00Pour-N-Go Head Gasket Sealer is formulated for the do-it-yourself customer who has limited time, or is not mechanically inclined and is searching for a permanent repair. The 32 oz. is the viable source for customers with larger cooling capacities or severe cooling system leaks, or garages that want two applications out of one bottle. The 16 oz. head gasket sealer is intended for the customer seeking a single repair on a 4- or 6-cylinder engine. The ease of use, along with the savings in cost, make this coolant leak sealer an excellent retail option. Our head gasket sealer can put a stop to a coolant leak by sealing the head gasket and saving you a trip to the mechanic for an expensive fix.