Description
Castrol Valvemaster is a lead replacement petrol additive which offers the best protection when using unleaded petrol. Castrol Valvemaster will help protect your vehicle from valve seat recession (VSR) in an unleaded world.
Castrol Valvemaster is suitable for pre-1992 vehicles which possess soft valve seats requiring protection against valve seat recesion.
250ml will treat 250 litres of unleaded fuel.