The Company of Firsts 
  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.