Nitrous Formula Race has such a wide market, it is having exceptional results with as little as 0.25 mls per litre, with Extrodinary results and performance increases on very high compression engines which are using upto 15 mls per litre. You choose what performance you want and what suits your engine best. For valve seat protection this bottle treats upto 300 litres of fuel. This super high performance octane booster will increase the octane level by as much as 60 pts or 6 Ron