Castrol GP50 is a traditional, mineral based low detergent SAE 50 monograde engine oil, which offers excellent high temperature performance, excellent noise suppression and a very high level of engine wear protection. GP50 is ideally suited to pre-1950 performance cars and pre 1970 motorcycles.Provides excellent high temperature performance and engine wear protectionFormulated with high quality mineral oils and carefully selected additivesAvailable in 1 gallon or 20 litre sizes.
