Motor tune-up. Injector cleaner. Carburetor cleaner. Carbon cleaner. Fuel stabilizer. De-icer anti gel. Upper cylinder lube. Frees lifters - rings. Dries oil and fuel. Use through carburetor or vacuum line. Use in oil crank case. Use in all engines in all seasons. 2-cycle, 4-cycle, diesels, cars, trucks, boats, tractors, small engines and rack and pinion units. 16 fl. oz. can.