Ichiro Seiryu ICR-1350 Synthetic Engine Oil is a new passenger car motor oil (PCMO) that delivers the latest development of lubricating oil technology to maximize protection for the newest gasoline fueled engines. It meets the highest performance level of API SN and exceeds the most demanding requirements of modern engine’s emission control and oil consumption standards. In today’s energy conscious era, Ichiro Seiryu ICR-1350 is also formulated to improve fuel efficiency for consumers.