Amsoil

SYNTHETIC LUBRICATING OILS for all types of engine and gear applications, including those for specialized vehicles and severe operating conditions.

AMSOIL has a documented history of innovation and leadership. First to develop an API-rated 100 percent synthetic motor oil. First to introduce the concept of "extended drain intervals" with a recommended 25,000-mile/1-year drain interval. First U.S. company to utilize the NOACK volatility test as a standard of performance excellence. First to produce synthetic motor oils for diesel engines, racing engines, turbo and marine engines. First to introduce synthetic oils that legitimately contribute to improving fuel efficiency. First to manufacture synthetic gear lube for automotive use. First to manufacture a 100:1 pre-mix synthetic 2-cycle oil. First to manufacture a synthetic automatic transmission fluid for automotive use.