Motul Classic 20W50 is a mineral engine oil with a low detergent content to ensure compatibility with oil seal types commonly used on pre 1950 engines. It offers excellent lubrication and low internal friction. It’s high film strength and adhesive properties ensure start up protection even after prolonged lay up. The Motul Classic 20W50 is a premium 20W50 mineral engine oil designed for post 1950 vehicles, its detergent, anti-corrosion and anti-wear properties ensure excellent protection and performance whilst it’s high film strength and adhesive properties ensure start up protection even after prolonged lay up