The Berryman Products Intake Valve and Combustion Chamber Cleaner Spray Kit 2611 is a 16oz. aerosol unit designed specifically for gasoline GDI and fuel-injection engines. This kit includes universal application accessories and is efficient in cleaning intake valves and combustion chambers. Made in the United States, it is safe for catalytic converters and O2 sensors, making it a convenient and effective solution for maintaining the performance of your vehicle's engine.