NF Super Street Octane BoosterInstantly increases octane rating by 4 RON Contains specially formulated cleaners to maintain a clean full system Removes carbon deposits which increase detonation and pinging problems Cleans injectors, intake valves and carburettors Boosts & restores lost performance and acceleration Excellent results in 2 stroke engines Easy to use bottle fits straight into the fuel filler avoiding spillage Eliminates detonation knocking pinging pinking Reduces