Wurth Petrol Additive 4 Stroke Wurth Petrol additive is especially suitable for 4-stroke engines, for cleaning all components of the fuel system. It will maintain a clean, moisture free fuel system, whilst helping to keep engine valves, combustion chambers and carburettor needles clean from carbon deposits.
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. Add 1 bottle (150ml) to a full tank of fuel. 150ml Bottle.