Official Oil of Dirt Sports Events

Look Up Guide
Dyno Tested
Set Up a Free Account with MyAMSOILGarage
Two Ways To Save
Official Oil

Don’t Just Choose Any Oil. Make it Official.
Dirt-bike racing is one of the top motorsports in the world. Riders start young and work hard to qualify for Loretta Lynn’s Amateur Nationals, where a championship can earn them a spot on the AMSOIL Arenacross tour or even a ticket straight to the top with Monster Energy Supercross. Each of these checkpoints on the road to supercross stardom features AMSOIL as its Official Oil. Each of them recognizes that AMSOIL shares their passion for riding, as demonstrated through the superior performance and protection offered by AMSOIL synthetic lubricants. AMSOIL is proud to lend its support to the motorcycle lifestyle and help build legends from start to finish.

Synthetic Diesel Motor Oil Frequently Asked Questions Synthetic Diesel Motor Oil Versus Conventional Motor Oil