1 Petrol Injector Cleaner - Fuel System Cleaner. (Petrol Or Diesel Engines). Oil Booster can be used in both petrol and Diesel powered vehicles. PETROL INJECTOR CLEANER. 1 x Oil Booster. Water build up can cause “phase separation” of the octane boosters in modern lead free fuels and this will affect the power output and running characteristics of the vehicle.
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