STP High Mileage Fuel Injector & Carburetor Treatment is specifically formulated to restore lost power and performance in high-mileage engines. It cleans and protects the entire fuel system by removing deposits that cause poor fuel delivery and inefficient engine performance. It helps prevent rough idling, knocking, and sluggish engine response. This treatment is ideal for vehicles with over 75,000 miles, maintaining smooth and efficient engine operation.
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