VSPe Power Plus is the replacement for the popular VSP from Millers Oils. VSPe Power Plus is an all in one fuel additive for classic / historic vehicles with engines which were designed to run on 4 star leaded fuel. It has additives which are designed to combat the 3 main problems which occur when running older engines on unleaded fuel. Lead Replacement - To prevent valve seat recession Octane Booster - To raise the fuel octane number by 2 (20 points) to prevent detonation. Ethanol Protection - Combats the adverse effects of ethanol in E5 and E10 unleaded fuels including corrosion and degradation of rubber products in the fuel system.VSPe Power Plus also has additives to prevent fuel system corrosion and has an anti - carburettor icing formula.One 250ml bottle treats up to 50 litres of fuel.Technical Data Sheet