Lubricant specially designed for engines built between 1950 and 1970. Mineral multigrade lubricant ith middle detergent level, compatible with elastomer gaskets. 20W50 oil meets standards of the 1950 - 1970 period (API SF/CC) while benefiting from the advanced technology of the Motul lubricants. Viscosity perfectly suitable for narrowed running clearances of the engine, due to significant progress at the time, as regards of metallurgy, casting and machining. Anti-corrosion and anti-wear properties.