Ichiro Seiryu ICR-1234 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 performance level of API SM and exceeds the most demanding requirements of the modern engine’s emission control and oil consumption standards. In today’s energy-conscious era, Ichiro Seiryu ICR-1234 Engine Oil is also formulated to improve fuel efficiency for consumers.