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 us.

  • No1 choice for racers of all types of vehicles.
  • Adavnced synthetic and additive package.
  • Over twice the wear protection of other motor oils.
  • Reduced friction for quicker engine response and increased horsepower.
  • TRUE "Stay in grade" performance for the race distance.