AMSOIL Dominator® Synthetic 15W-50 Racing Motor Oil (RD50)
Maximum Performance, and Premium Protection for High-Performance and Racing Applications.
AMSOIL Dominator Synthetic Racing Motor Oil features an additive package heavily fortified with zinc and phosphorus for superior long-term wear protection.
Formulated to withstand the elevated RPM, high temperatures and shock-loading common to racing applications, Dominator Synthetic 15W50 Racing Motor Oil delivers superior performance and maximum protection in extreme conditions.
AMSOIL
Dominator Synthetic Racing Oil features an additive package heavily
fortified with zinc and phosphorus for superior long-term wear protection.
Designed for maximum durability, it ensures critical engine components are
protected for the duration of the race. Dominator Synthetic Racing Oil’s
superior additive technology provides unmatched durability in extreme
conditions. In addition, its high levels of zinc and phosphorus additives
make it ideal for street rods, muscle cars and other vehicles with
flat-tappet cams.
AMSOIL Dominator Synthetic 15W-50 Racing Oil is an excellent lubrication and recommended for high-rpm, high-horsepower, turbo/supercharged, gasoline- or alcohol-burning and nitrous oxide gas-injected applications operated under severe conditions.
Dominator Synthetic 15W-50 Racing Oil’s multi-viscosity design provides maximum protection in temperature extremes. Dominator 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.
Applications include, but are not limited to, the following:
• Asphalt Late Model • Dirt Late Model • Modified Big Block • Ford Crate Late Model • Dodge Crate Late Model • Endurance • Rally • Sprint • Truck-Pull • Aluminum Block • Marine • Other high-performance racing and street applications requiring 50-weight oil.
Unlike many oil companies that produce specialty racing oils for only the
elite groups you can buy and use the very same oil our sponsored teams use.
AMSOIL Dominator Synthetic Motor Oil is used in the engines of AMSOIL corporately-sponsored
racers, including Scott Douglas and Brady Smith.

All AMSOIL synthetic motor oils are already formulated to a higher level of performance than competitors’ motor oil AMSOIL dominator synthetic oil raises the bar for engine oil even higher than engine oil has ever been before.
Important Note: Dominator RD50 has replaced the series 2000 20W-50 (TRO) Racing Oil