Stanadyne Gasoline Fuel Additive is designed to protect Gasoline Direct Injection and traditional gas fuel systems, while restoring engine performance. This unique formula helps eliminate deposits that form on critical fuel system and engine components to keep those components clean, lubricated, and maintenance free. Benefits Include: Improves Fuel Economy and restoration of Horsepower Performance Lubricates Fuel System (Injectors and Pump) Reduces Piston and Piston ring friction. Detergents that clean, prevent deposit build up on Intake Valves and Injectors. Antioxidants to keep fuel fresh longer Prevents Rust; Corrosion in the fuel system. Ethanol Protection Catalytic Converter Safe. Also ideal for Recreational Vehicles and Small Engines Each bottle treats up to 18 gallons of Gasoline. Pack of 24 bottles treats up to 432 gallons of Gasoline. Authorized Stanadyne Dealer: Diamond Diesel & Turbocharger Service