AMSOIL Racing Motor Oils are 100% synthetic oils engineered to maximize horsepower and withstand the rigorous demands of racing and high-performance engines.
AMSOIL DOMINATOR® 100% Synthetic 2-Stroke Racing Oil
AMSOIL DOMINATOR®️ Synthetic 2-Stroke Racing Oil is a specialized oil for high-performance 2-stroke engines, designed to deliver maximum power and protection.
AMSOIL Break-In Oil (SAE 30)
AMSOIL SAE 30 Break-In Oil is specially designed for newly assembled or rebuilt high-performance and racing engines. Its friction-modifier-free formula assists in proper ring seating for maximum compression and reduced blow-by, while protecting cams and bearings during the critical break-in period.
Briggs & Stratton Synthetic 4T Racing Oil
Briggs & Stratton Synthetic 4T Racing Oil is formulated to maximize horsepower and protect high-performance racing engines, including air-cooled models, from heat and wear.
AMSOIL DOMINATOR® 5W-20 100% Synthetic Racing Oil
AMSOIL DOMINATOR® 5W-20 is a high-performance synthetic racing oil designed to provide maximum protection and superior performance in racing applications. It is engineered to withstand elevated rpm, high temperatures, and shock-loading typical in racing.
AMSOIL DOMINATOR® 10W-30 100% Synthetic Racing Oil
AMSOIL DOMINATOR® 10W-30 Racing Oil is specifically designed for high-performance and racing applications. It offers superior performance and maximum protection, engineered to withstand elevated rpm, high temperatures, and shock-loading common in racing.
AMSOIL DOMINATOR® 15W-50 100% Synthetic Racing Oil
AMSOIL DOMINATOR® 15W-50 Racing Oil is engineered for high-performance and racing applications, providing superior performance and maximum protection.
AMSOIL DOMINATOR® SAE 60 100% Synthetic Racing Oil
AMSOIL DOMINATOR® SAE 60 Synthetic Racing Oil is engineered for high-performance and racing applications, offering maximum power and engine protection.
AMSOIL DOMINATOR® 20W-50 Competition Diesel Oil
AMSOIL DOMINATOR® 20W-50 Competition Diesel Oil is designed for high-horsepower diesel engines, offering robust protection and performance in diesel competition.
AMSOIL DOMINATOR® 10W-40 100% Synthetic Racing Oil
AMSOIL DOMINATOR® 10W-40 Racing Oil is engineered for high-performance and racing applications, offering superior performance and maximum protection against extreme conditions.
20W-50 oil is a commonly used oil weight for many different applications, including V-Twin engines (like Harleys - where it can be used in all 3 sumps), it's great for high-mileage diesel and gasoline engines, also recommended in classic car engines with flat-tappet camshafts, excels in hydrostatic transmissions, and is also used in high-performance competition diesel engines.
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