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HIGH MILEAGE ENGINE TREATMENT FOR GAS VEHICLES – Specially formulated for gasoline engines with over 75,000 miles. Sea Foam High Mileage is for use in all gasoline fuels, including ethanol blends, and all types of motor oil. HELPS PREVENT COMMON HIGH-MILEAGE ENGINE PROBLEMS – Use regularly in both the fuel tank and oil crankcase to help prevent or overcome rough engine operation, reduced fuel economy, oil consumption concerns, and performance loss caused by fuel and oil residues. HELPS CLEAN OIL RESIDUES AND RESTORE OIL FLOW – Added to the oil crankcase, Sea Foam High Mileage helps liquefy and clean harmful oil residues that can restrict oil flow. Use before every oil change interval to help maintain long-term engine reliability. CLEANS FUEL SYSTEM DEPOSITS AND FUEL RESIDUES – Works through fuel injectors and carburetors to help remove harmful deposits from fuel passageways, intake valves, pistons, and combustion chambers. Use regularly to help your higher mileage engine run cleaner, perform better, and last longer. FOR USE IN ALL GASOLINE ENGINES AND MOTOR OILS – Compatible with all gasoline fuels and all conventional, synthetic, and blended motor oils. Regular use helps reduce long-term engine wear by promoting cleaner fuel and oil systems for smoother engine operation.