Silkolene Pro Boost Octane Improver High performance efficient octane improver designed to combat pre ignition often called pinking or knocking. Contains a unique blend of synthetic organic chemicals that reduce upper cylinder wear and burn cleanly without leaving deposits in the combustion chamber. Helps to a keep clean effect in both carburettor and injection systems and reduces icing in carburettors. Improves acceleration and lowers fuel system corrosion. Is fully compatible with all petrol and does not attack fuel hoses or filters. Has been successfully tested in a wide variety of car and motorcycle engines including 2 stroke. Suitable for all petrol engines and all types of fuel. Does not contain lead or aniline and can lead to a reduction in emissions through a more complete combustion of the fuel. Improves throttle response and facilitates cold starting to reduce heavy exhaust gas pollution when the engine is cold.