Vintage & Veteran Castrol Classic GP50 is a premium SAE50 monograde oil. Formulated with high quality mineral oils, plus carefully selected additives, it is ideally suited to older technology and classic car and motorcycle engines. For pre-1950 performance cars and pre-1970 motorcycles Traditional low detergent SAE 50 monograde engine oil Offers excellent high temperature performance Excellent noise suppression Very high level of engine wear protection API: SB
