AMSOIL INC., Superior, Wis. AMSOIL now offers three new premium synthetic racing oils specially formulated to withstand the rigors of high-performance and racing applications. AMSOIL Dominator® Synthetic 5W-20, 10W-30 and 15W-50 Racing Oils provide superior performance and maximum protection in extreme environments.
All three Dominator Racing Oils feature the same additive package, providing maximum durability in multiple viscosities. Their shear-stable formulation was engineered to provide maximum horsepower without sacrificing engine protection. Dominator Racing Oils provide straight-grade protection in a multi-grade formulation. The proprietary friction modifier in Dominator Synthetic Racing Oils reduces friction for maximum power and cooler engine temperatures, resulting in improved lap times and longer-lasting equipment.
AMSOIL Dominator Synthetic 15W-50 Racing Oil is recommended for high-rpm, high-horsepower, turbo/supercharged, gasoline- or alcohol-burning, nitro-fueled or nitrous oxide gas-injected applications operated under severe conditions. Applications include the following:
- Big Bore
- Asphalt and Dirt Late Model
- Modified Big Block
- Ford Crate Late Model
- Dodge Crate Late Model
- Endurance
- Rally
- Truck-Pull
- Aluminum Block
- Marine
- Other high-performance racing and street applications requiring 50-weight oil.
AMSOIL Dominator Synthetic 10W-30 Racing Oil is recommended for high-rpm, high-horsepower, turbo/supercharged, gasoline or alcohol-burning and nitrous oxide gas-injected applications operated under severe conditions. Applications include the following:
- Asphalt and Dirt Late Model
- Modified Big Block
- Modified Small Block
- GM Crate Late Model
- Marine
- Sprint
- Midget
- Legend
- Kart
- Other domestic and import high-performance racing and street applications requiring 30-weight oil.
AMSOIL Dominator Synthetic 5W-20 Racing Oil is recommended for high-rpm, high-horsepower, turbo/supercharged, gasoline- or alcohol-burning and nitrous oxide gas-injected engines operated under severe conditions. Applications includ the following:
- Modified Small Block
- Asphalt Late Model
- GM Crate Late Model
- NHRA Stock Eliminator
- Bracket
- Sprint
- Midget
- Legends
- Karts
- Junior Dragster
- Other domestic and import high-performance racing and street applications requiring 20-weight oil.
The low-viscosity formulation and robust additive package of Dominator 5W-20 make it ideal for use as a high-strength qualifying oil.

