STP Stop Leak and Stop Smoke High Mileage Engine Oil Additive, 15 fl oz

Experience the power of STP with our Stop Leak + Stop Smoke High Mileage Engine Oil Additive, designed specifically for vehicles that have racked up the miles. This 15 fl oz formula acts as a dual-action solution to common engine issues like leaks, burning, and smoke, helping you evade costly repairs and extend your engine's life. Ideal for high-mileage vehicles, it works seamlessly with both synthetic and conventional motor oils. By repairing and reconditioning seals and gaskets that have dried out or cracked, it effectively prevents further leaks. Moreover, by reducing the smoke and emissions resulting from combustion, this additive ensures your vehicle runs cleaner and more efficiently. Trust STP for a product that's engineered to be reliable, non-clogging, and completely safe for your engine.

• One 15 fl oz bottle of STP Stop Leak + Stop Smoke High Mileage Engine Repair, a dual-action engine oil additive that stops leaks, burning, and smoke to help prevent costly repairs and extend engine life
• Ideal for high-mileage vehicles, this treatment is compatible with both conventional and synthetic motor oils.
• Combines stop leak and stop smoke benefits into one product, offering a fast, easy, and cost-effective solution to avoid expensive repairs.
• Repairs and reconditions seals and gaskets that can shrink, dry out, and crack over time, preventing further leaks.
• Reduces exhaust smoking caused by burning in the combustion chamber, leading to a cleaner-running engine and fewer visible emissions.
• Reduces exhaust smoking caused by burning in the combustion chamber, contributing to a cleaner-running engine and less visible emissions
• Engineered for reliability and ease of use, this engine treatment is non-clogging and contains nothing harmful to an engine.