Royal Purple is an American company that produces a wide range of lubricants for almost every consumer and industrial application such as; automotive, industrial, and marine, motorcycle and racing applications. Their high reliability is far proven by multiple independent university and industry tests. Their high performance is clearly shown when compared to other synthetic and conventional motor oils: Royal Purple motor oil has demonstrated that increases horsepower and torque by 3%, reduces engine wear by 80%, improves fuel economy by 5%, reduces engine heat by 10%, and reduces emissions by 80%. Visit the website and check all the automotive, marine , motorcycle, racing and snowmobile oils. If you are a little bit lost within so much information, there is a frequently asked question (FAQ’s) link that might be of great help. Besides, you can always find customer comments writing to express their clear satisfaction with Royal Purple products. Perhaps one of the comments could be yours soon.