Dominator Synthetic 10W-40 Racing Engine Oil

AMSOIL’s professional-grade racing formula. A full-synthetic oil that resists viscosity breakdown under extreme heat and horsepower. Reduces friction for optimum power output. Contains high levels of zinc and phosphorus for flat tappet camshaft protection.

Dominator Synthetic 10W-40 Racing Engine Oil package sizes include:

1-US Quart Bottles (or buy case of 12)

Looking for prices? We can’t publish AMSOIL’s wholesale prices. Request a wholesale price list using the contact form on this page.

Racing engines are exposed to conditions far-beyond those found in regular automotive applications. So why use an engine oil designed for daily-drivers?

Long-Lasting Engine Wear Protection

AMSOIL Dominator Racing 10W-40 is designed to withstand the rigors of extreme shock loads, high-heat and extended periods at high-RPM. This product delivers consistent viscosity protection in the face of high-horsepower.

Racing engines can also be prone to fuel dilution. AMSOIL Dominator 10W-40 is designed to withstand fuel dilution without compromising wear protection.

Cooler Operation And Optimum Power Output

AMSOIL Dominator Synthetic 10W-40 Racing Engine Oil is designed to reduce friction. This delivers a two-pronged effect. This friction reduction maximizes power output making this oil an incredibly cost-effective upgrade.

Friction reduction also creates cooler operating temperatures. This allows for consistent performance and longer engine life.

Fast Cold-Start Protection

AMSOIL Dominator’s full-synthetic formula flows instantly at start-up. Your expensive engine will receive immediate oil circulation upon start-up.

A Genuine Professional-Grade Formula

AMSOIL Dominator Synthetic Racing Oil series is exactly the same product that is supplied to AMSOIL-sponsored race teams. Many other oil brands supply exclusive formulas to professional race teams that my not be available to the public.

Suitable Applications For AMSOIL Dominator 10W-40

AMSOIL Dominator Synthetic 10W-40 Racing Engine Oil is compatible with the following:

• Unleaded or leaded gasoline-powered engines
• Alcohol-fueled engines
• Nitrous oxide-injection
• Nitromethane
• Turbo-charged or super-charged engines
• Diesel fueled engines

Dominator 10W-40 is ideal for the following types of applications:

• Any type of racing or highly-modified, high-horsepower vehicle requiring a 10W-40 engine oil
• Asphalt or dirt late model
• Modified small or big block
• Aluminum block
• Sprint cars
• Marine racing engines
• GM crate late-model
• Muscle cars and street rods*
• Suitable for high performance street or modified import cars *

*Not suitable for street vehicles with modern factory emissions equipment in place. Contact us with any questions on this.

Oil Change Interval For AMSOIL Dominator Synthetic 10W-40 Racing Engine Oil

Change Dominator Synthetic 10W-40 Racing Oil at the interval as prescribed by the engine builder or engine manufacturer.

Mixing AMSOIL Dominator 10W-40 Racing Engine Oil With Other Brands

Dominator Synthetic 10W-40 Racing Oil is compatible with all other brands of conventional, semi-synthetic and synthetic motor oils. While you can safely mix AMSOIL Synthetic Oil with other brands, this will reduce the drain interval and performance capabilities of AMSOIL Dominator Racing Oil.

The use of any aftermarket oil additives with AMSOIL Dominator Synthetic 10W-40 Racing Oil is definitely NOT recommended.

Specifications
AMSOIL Dominator Synthetic 10W-40 Racing Engine Oil (RD40)
Kinematic Viscosity @ 100°C, cSt (ASTM D-445)	15.8
Kinematic Viscosity @ 40°C, cSt (ASTM D-445)	97.2
Viscosity Index (ASTM D-2270)	174
CCS Viscosity (°C), cP (ASTM D-5293)	6493 (-25)
Pour Point °C (°F) (ASTM D-97)	-42 (-44)
Flash Point °C (°F) (ASTM D-92)	224 (435)
Fire Point °C (°F) (ASTM D-92)	232 (450)
Four Ball Wear Test (ASTM D-4172B: 40 kgf, 75°C, 1200 rpm, 1 hr), Scar, mm	0.39
High-Temperature/High-Shear Viscosity, 150ºC, 1.4x106s-1, cP (ASTM D-5481)	4.6
Total Base Number	8.0