The Sea Foam High Mileage HM16 Gasoline Fuel and Oil Treatment is a powerful fuel additive designed to clean fuel injectors and fuel systems, stabilize fuel for improved performance, and provide lubrication for the engine. This pack of 6 16oz bottles is made in the United States and is perfect for maintaining the fuel system in your vehicle. With its high mileage formula, this treatment helps extend the life of your engine and ensure optimal performance. Ideal for gas and oil treatments, this product is a must-have for any car enthusiast looking to keep their vehicle running smoothly.