AXCL GTi2 is a unique engine lubricant specifically formulated to meet high performance requirements of the latest model car and trucks. This product was specially designed for use in sports cars and luxuty vehicles that require a highly stable engine oil that will withstand the most extreme demanding performance criteria. It is so thoroughly tested that it has been approved by the internationally recognized organization known as the API (Americal Petroleum Institute) and their department called the Eolcs. This product carries the full donut approval for API SM/CF.