Synthetic Motor Oil is the choice for those who want to do something extra for their vehicle. Its boosted formulation delivers extra cleaning power, outstanding wear control, excellent high- and low-temperature protection and exceptional fuel economy. XL is...
Racers can't win what they don’t finish. That’s why AMSOIL formulators built DOMINATOR® 2-Stroke Racing Oil. This complex blend of oils and additives directly addresses the heat, pressure and friction of race-engineered engines. These...
Maximum Engine Protection
Wear on rings and cylinder liners leads to increased oil consumption
and loss of compression, resulting in reduced horsepower and fuel
economy. Independent testing shows AMSOIL Signature Series Max-Duty
delivers...
Specifically designed for outboard motors, Outboard 100:1 Pre-Mix Synthetic 2-Stroke Oil contains a heavy dose of low-temperature dispersant additives that...
Racing Testimonial: AMSOIL snowmobile oil saves engine
During the Pro Open final at the opening rounds of AMSOIL Championship Snocross, professional rider Lincoln Lemieux's Ski-Doo lost all its engine coolant after a hose clamp broke. Despite intense...
Protects Against Engine Wear
Signature Series Synthetic Motor Oil develops a strong fluid film that
keeps metal surfaces separated while its robust anti-wear additives
further reduce wear in metal-to-metal contact regions for maximum...