Description Oil The Royal Plus 5W-40 engine oil has been selected using all-synthetic base oils and high quality additives for use in all seasons and climates. Product similar to its use in compliance with one of the highest levels of API performance, it is suitable for use in gasoline-powered vehicles from the year 2 onwards and supercharged diesel where recommended by the manufacturer. Antioxidant and Thermal Stability Properties Excellent cleaning properties and preventing the combustion of harmful constituents by combustion and oxidation. Engine power to the highest degree of lubrication of components at low temperatures, especially at the moment of start of oil viscosity retention during all-time consumption. Excellent heat removal capability from engine to maintain metallurgical structure of components. Irnol Royal Plus 5W-40 Royal