15W50 Dominator® Synthetic Racing Oil


Provides superior protection and performance
for high-rpm, high-temperature racing and
high-performance applications. Shear-
stable formulation to protect critical engine
components for the duration of the race.
Effectively reduces friction for maximum power
and cooler engine temperatures, resulting
in improved lap times and longer-lasting

• Formulated specifically for racing & high-performance engines
• Robust formulation resists viscosity los
• Proprietary friction modifier maximizes horsepower & torque
• Fortified with anti-wear additives for extra protection

SKU: RD50 Category: Tags: , ,


AMSOIL DOMINATOR® Synthetic 15W-50 Racing Oil (RD50) provides superior performance and maximum protection in high-performance and racing applications. DOMINATOR is engineered from advanced synthetic technology to better withstand the elevated rpm, high temperatures and shock-loading common to racing applications. Its robust formulation, tested and validated by championship race teams, is designed to provide maximum horsepower without sacrificing engine protection. DOMINATOR provides straight-grade protection in a multi-grade formulation.

AMSOIL, the leader in automotive synthetic lubrication, produced the world’s first API-qualified synthetic motor oil in 1972. Trust the extensive experience of AMSOIL The First in Synthetics® to do the best job protecting your engine.

Anti-Wear Formulation
Racing and high-performance engines are typically modified to deliver maximum horsepower and speed. Their powerful designs create shearing forces that can cause lesser oils to lose viscosity, leaving bearings, pistons and other components vulnerable to wear and failure. DOMINATOR Synthetic Racing Oil’s durable formulation resists viscosity loss due to mechanical shear to maintain a strong protective oil film. It is heavily fortified with zinc and phosphorus anti-wear additives to provide additional protection against scuffing and wear in severe racing conditions

Maximum Horsepower
The excessive friction and heat of racing robs engines of power and longevity. DOMINATOR is formulated with a proprietary friction modifier for maximum horsepower and cooler engine temperatures, promoting improved lap times and longer-lasting components.

Formulated specifically for racing & high-performance engines
Robust formulation resists viscosity loss
Proprietary friction modifier maximizes horsepower & torque
Fortified with anti-wear additives for extra protection

Protection From Startup to the Checkered Flag
DOMINATOR provides maximum protection in temperature extremes. Its low pour point offers excellent cold-start protection and provides less drag when the oil has not reached stable operating temperatures. At elevated operating temperatures, it maintains superior film strength. DOMINATOR’s thermally stable synthetic chemistry resists the effects of intense heat common to racing engines to provide reliable protection for the duration of the race.

Commercial Availability
Many oil companies produce specialty racing oils for elite groups and do not offer them to the general public. All AMSOIL synthetic motor oils are already formulated to a higher level of performance than competitors’ oils, and AMSOIL DOMINATOR Synthetic Racing Oil is no exception. 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, Chad Hord and Brad Lovell are available to everyone.

DOMINATOR 15W-50 Synthetic Racing Oil is recommended for asphalt late model, dirt late model, modified big block, endurance, rally, sprint, truck-pull, aluminum block, marine and other high-performance racing and street applications that require a 50-weight oil.

AMSOIL Ea® Racing Air Filters (EAAR) are specially designed for racing and street rod enthusiasts who desire AMSOIL Ea protection in carbureted applications. AMSOIL Ea Racing Air Filters are constructed with the same synthetic nanofiber media as otherAMSOIL Ea Air Filters, providing maximum protection and extended filter life.


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