STP High Mileage Complete Fuel System Cleaner contains the highest level of detergents of any STP formula. It helps clean your entire fuel system to restore its optimum operating condition. The advanced formula helps clean fuel injectors, carburetors, intake valves and ports, combustion chambers, cylinder heads and piston tops. It contains jet fuel, a high-quality carrier of active ingredients. For over 60 years, and for more miles than anyone can count, STP has been one of the most trusted names in automotive care. Car enthusiasts, “Do-it-Yourselfers” and professional racers rely on STP oil additives, fuel additives and brake and power steering fluids to keep their vehicles running better longer. And they count on STP automotive appearance products to keep their vehicles looking great, too. Cleans your entire fuel system Restores its optimum operating condition Helps clean fuel injectors, carburetors, intake valves and more Contains jet fuel
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