PETROMARK® 10108 VALVE CLEANER cleans combustion deposits from valves, valve seats, plugs and cylinder heads, thoroughly and effectively and reduces harmful exhaust gasses and fuel consumption. This product increases compression and improves engine performance. Combines with water to prevent breakdown and corrosion. Ensures the fuel system remains in optimum condition when used regularly. Suitable for all petrol engines with injection system, also for turbo engines. Completely safe for the catalytic converter. To be applied in overhauls and in case of malfunctions. For intensive cleaning, pipe directly through the fuel pump. The content of this 250 ml package is suitable for a tank content of max. 60 litres.