Wurth Function Enhancer 4-Stroke Petrol Additive (150ml) is a petrol additive designed to clean and protect 4-stroke engine components. This product improves fuel quality, removing oxidation deposits and increasing octane rating. With accurate fuel injection, its performance boosts efficiency, offering economic and ecological benefits with extended catalytic converter life. Fuel savings are expected with uniform combustion. It even helps reduce carbon deposits for a more reliable engine. Ensures fuel quality Removes deposits and oxidation residues on fuel lines, injection needles, cylinders, spark plugs and in the combustion chamber Increases the octane rating and performance Ensures economic, ecological and safe functioning of the entire fuel system Extends catalytic converter life through optimal combustion Fuel savings through accurate fuel injection and uniform combustion Also effective against carbon deposits on engine valves, carburettor and combustion chambers Size: 150ml