AMSOIL Dominator SAE 5w20 Synthetic Racing Oil

Maximum Horsepower

AMSOIL Dominator 5w20 Synthetic Racing Oil 's shear-stable formulation was engineered to provide maximum horsepower without sacrificing engine protection. AMSOIL Dominator 5w20 Racing Oil provides straight-grade protection in a multi-grade formulation.

High Zinc and Phosphorous ZDDP Motor Oil for Flat Tappet Camshaft Engines

AMSOIL Dominator 5w20 Synthetic Racing Oil features an additive package heavily fortified with zinc and phosphorus (ZDDP) for superior long-term protection against engine wear. Designed for maximum durability, it ensures critical engine components are protected for the duration of the race, maximizing flat tappet camshaft life in stock modified and high-performance applications. The Flat Tappet and Camshaft Lobe Lubrication Bulletin (54 KB pdf) lists which AMSOIL synthetic motor oils contain high levels of zinc and phosphorus and their amounts.

Best Racing Oil

AMSOIL Dominator 5w20 Synthetic Racing Oil's superior additive technology provides unmatched durability in extreme conditions. See for yourself how AMSOIL Dominator 5w20 Racing Oil outperformed Joe Gibbs XP1, Red Line, Lucas, Royal Purple and Torco 20 weight oils, proving AMSOIL is the best racing oil:

Superior-Quality Oils, No Discrimination

Many oil companies produce specialty racing oils for elite groups and do not offer them to the general public. For instance, several popular oil manufacturers produce racing oils offered only to NASCAR racers. All AMSOIL synthetic motor oils are already formulated to a higher level of performance than competitors' oils, and AMSOIL Dominator 5w20 Synthetic Racing Oil is no exception, as proven in the Four Ball Test (see chart above). It provides maximum performance and superior protection to all racers, regardless of their level of competition. The same AMSOIL Dominator Synthetic Racing Oil that is used in the engines of AMSOIL corporately-sponsored racers, including Scott Douglas and Brady Smith, are available to everyone.

Ideal for High-Performance Tuner Cars and Sub-Compact Vehicles

The low viscosity of AMSOIL Dominator 5w20 Synthetic Racing Oil makes it ideal for high-performance tuner cars and sub-compact vehicles.

Improve Lap Times and Longer-Lasting Equipment

AMSOIL Dominator 5w20 Synthetic Racing Oil's proprietary friction modifier provides reduced friction for maximum power and cooler engine temperatures, resulting in improved lap times and longer lasting equipment.

Protection from Startup to the Checkered Flag

AMSOIL Dominator 5w20 Synthetic Racing Oil's multi-viscosity design provides maximum protection in temperature extremes. AMSOIL Dominator 5w20 Racing Oil offers excellent cold-start protection and provides less drag when engine oil has not reached stable operating temperatures. It maintains superior film strength during high-temperature operation on the track.

Low Viscosity Oil Ideal for Qualifying

The low-viscosity formulation and robust additive package of AMSOIL Dominator 5w20 Synthetic Racing Oil makes it ideal for use as a high-strength qualifying oil.

Service Life

Extended oil drain intervals are not recommended for engines modified from the original manufacturers' design. Change oil at appropriate intervals in racing engines and where fuel dilution is a concern. Otherwise in stock, non-modified engines, follow original equipment manufacturers' drain interval recommendations or extend oil drain intervals when monitored by oil analysis*.

*Oil Analyzers, Inc., a division of AMSOIL, provides cost-effective, quality oil analysis services.

Applications

AMSOIL Dominator 5w20 Synthetic 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, but are not limited to, the following:

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