AMSOIL is the first company to pioneer synthetic oils in other applications outside of aircraft. Despite global scaling, AMSOIL still has only one factory.

But with Amsoil Signature Series synthetic motor oil we can get a full 25,000 miles from a single oil fill, saving around $50 a year right there.

When we learned that the Amsoil Dual Remote Oil Filtration System, in combination with its full-synthetic 15-40 Heavy-Duty Diesel & Marine Motor Oil, could safely extend oil changes up to 60,000 ...

AMSOIL announces the introduction of a new premium engine fogging oil that offers superior film retention and provides long-term protection against rust and corrosion.; The aerosol spray ...

Amsoil SAE 0W-40 Signature Series Synthetic Motor Oil suggests in its promotions that this is the product to use year-round in high-performance cars.

The 2010 AMSOIL/Mopar Muscle Engine Challenge once again pitted some of the best engine builders out there to see how well their engines performed on the dyno and prove the endurance of AMOSIL oil ...