Description Originally developed by Castrol, Classic Valvemaster Plus is the complete fuel system treatment for your classic vehicle. Supplied in an easy to measure, resealble bottle, this premium additive offers value and performance along with protection against corrosion and acidity. One 250ml bottle treats 250 litres of petrol. Features Lead replacement protection against valve seat recession. Optimise Plus friction modifiers to increase performance and economy by up to 3%. Etha-Guard Ethanol fuel stabiliser combats the harmful effects modern E5 and E10 fuel in pre-1996 vehicles.
