Idemitsu is a leader in high-quality fully synthetic oils which are engineered for maximum performance and exceed the latest API SP / ILSAC GF-6 standards. They also formulated the first 0W-20 viscosity and now have a new ultra-low 0W-16 viscosity available. Their technicians have worked closely with engineers from original equipment manufacturers (OEMs) such as Honda, Mazda, Nissan, Toyota, GM and FCA to meet the most stringent performance and protection requirements.