AMSOIL Motor Oil Synthetic Oil

AMSOIL HP Marine Synthetic 2-Stroke Oil

NMMA TC-W3 certified high-performance synthetic for demanding marine outboard 2-stroke engines.

AMSOIL INTERCEPTOR 2-Stroke Oil

Advanced synthetic 2-stroke engineered for modern semi-direct and direct injection snowmobile engines.

AMSOIL Synthetic 2-Stroke Injector Oil

Full synthetic injector-compatible 2-stroke oil for powersports, marine, and outdoor equipment engines.

AMSOIL DOMINATOR 100% Synthetic 2-Stroke Racing Oil

Maximum-protection competition synthetic for motocross, kart, and watercraft racing 2-stroke engines.

AMSOIL Briggs & Stratton 4T Racing Oil

Officially approved synthetic for Briggs & Stratton 4-stroke racing classes, maximizing protection per class rules.

AMSOIL DOMINATOR SAE 60 Racing Oil

Maximum-viscosity competition synthetic for extreme high-output drag and oval racing applications.

AMSOIL DOMINATOR 20W-50 Racing Oil

Heavy-duty competition synthetic for large-displacement V8 race builds requiring superior oxidation resistance.

AMSOIL DOMINATOR 15W-50 Racing Oil

Full-race synthetic 15W-50 for endurance and high-displacement competition engines under sustained load.

AMSOIL DOMINATOR 10W-30 Racing Oil

Purpose-built 10W-30 competition oil trusted by racers who can't afford an engine failure.

AMSOIL DOMINATOR 5W-20 Racing Oil

Competition-grade synthetic 5W-20 for high-RPM race engines demanding maximum film strength.