ARAVALI PSO Engine Oil 20W40

PSO stands for Price Steam Oil, which is a type of engine oil. PSO Engine Oil 20W40 is a multi-vehicle oil designed for automotive engines. The “20W40” in the name indicates the viscosity rating of the oil. The “20W” refers to its viscosity at low temperatures (in this case, it flows easily) and the “40” refers to its viscosity at high temperatures (it retains its lubricating properties well). This oil provides good engine protection and performance in a wide range of temperatures.