Help to prevent against the effects of E5 and E10 with this additive from Millers! An 'all in one' fuel treatment providing ethanol protection, lead replacement and an octane booster that adds up to two octane numbers to unleaded fuel. Recommended for all classic engines previously requiring leaded fuel and now running on unleaded fuel, but also ideal for fuel injected models too. Each 250ml bottle is enough to treat 40 litres and comes with a measured dispensing cap. Small enough to fit in your pannier, top box or tool tray. Endorsed by the FBHVC as a fuel treatment for protection against corrosion in metals Adds up to 2 octane numbers (20 points) to unleaded fuel Prevents valve seat recession when used with unhardened valve seats Prevents detonation, hot spots & running on Prevents fuel system corrosion and helps protect components Combats the adverse effects of ethanol in fuel (up to E10) Carburettor anti-icing formula