AMSOIL Dominator Synthetic 10W-30 Racing OilAMSOIL Dominator Synthetic 10W-30 Racing Oil (RD30) is a no-compromise, professional-grade race engine oil designed to combat wear, maximize horsepower and provide cooler operation. Contains 1575 ppm zinc and 1424 ppm phosphorus for excellent flat tappet camshaft protection. An ideal substitute for Briggs 4T Kart Racing Oil.

Dominator 10W-30 Racing Oil package sizes include:
1-Quart Bottle
1-Quart Bottles (case of 12)
55-Gallon Drum

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AMSOIL created the Dominator Synthetic Racing Oil Series by doing the same thing you do. They put their foot to the floor and kept it there. Like the rest of the Dominator Series, this 10W-30 Racing Oil is designed to limit friction, reduce wear, fight extreme heat, optimize horsepower delivery and last as long as necessary while you go into battle. Dominator 10W-30 will hold up its end of the bargain on race day while you concentrate on going for glory.

Racing Oil Wear Control That Lasts

AMSOIL Dominator Synthetic 10W-30 Racing Oil Four-Ball Wear Test ChartAMSOIL Dominator Synthetic Racing Oil employs a shear stable, heat resistant synthetic base oil matched with the most robust additive package on the market. This 10W-30 racing oil is packed with zinc and phosphorus to provide long-lasting wear resistance. This race oil is designed to do its job, no matter how long the race event may be.

Improve Horsepower and Throttle Response

Dominator 10W-30 Racing Oil’s friction-fighting synthetic formula delivers a horsepower edge while providing cooler operation. This allows you to be more competitive, while prolonging component life.

Cold-Start Protection

Start-up can be the time where racing engines are most susceptible to wear. Dominator Synthetic Racing 10W-30 flows quickly to provide immediate top-end protection.

Enjoy the Same Formula We Supply to the Pros

Unlike other racing oil makers, the Dominator Synthetic Racing Oil series is the exact formula that we supply to AMSOIL-sponsored racers. There are no “works” racing oil formulas for the professionals, so rest assured that you are getting the same performance and protection as the big guys.


AMSOIL Dominator Synthetic 10W-30 Racing Oil is suitable for following types of engines:

  • Modified, high rpm, extreme horsepower
  • Turbo-charged or super-charged
  • Gasoline or alcohol fueled
  • Nitrous oxide-injected
  • Flat-tappet camshafts

Dominator 10W-30 is ideal for the following type of applications:

  • Any type of racing or highly modified, high horsepower vehicle requiring a 10W-30
  • Muscle cars*
  • Suitable for high performance street or modified import cars *
  • Kart engines (Briggs Animal, Raptor and more)

*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-30 Racing Oil

Change Dominator Synthetic 10W-30 Racing Oil at the interval as prescribed by the engine builder or engine manufacturer.

Mixing AMSOIL Dominator 10W-30 Racing Oil with Other Brands

Dominator Synthetic 10W-30 Racing Oil is compatible with all other brands of conventional 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 10W-30.

The use of any aftermarket oil additives with AMSOIL Dominator Synthetic 10W-30 Racing Oil is definitely NOT recommended.


AMSOIL Dominator Synthetic 10W-30 Racing Oil (RD30)

Kinematic Viscosity @ 100°C, cSt (ASTM D-445)


Kinematic Viscosity @ 40°C, cSt (ASTM D-445)


Viscosity Index (ASTM D-2270)


CCS Viscosity (°C), cP (ASTM D-5293)

5048 (-25)

Pour Point °C (°F) (ASTM D-97)

-45 (-49)

Flash Point °C (°F) (ASTM D-92)

240 (464)

Fire Point °C (°F) (ASTM D-92)

256 (492)

Four Ball Wear Test
(ASTM D-4172B: 40 kgf, 75°C, 1200 rpm, 1 hr), Scar, mm


Noack Volatility, % weight loss (g/100g) (ASTM D-5800)


Shear Stability Kurt Orbahn (ASTM D-6278),
% viscosity change 90 cycles.


High-Temperature/High-Shear Viscosity,
150ºC, 1.4x106s-1, cP (ASTM D-5481)


AMSOIL Dominator Synthetic 10W-30 Racing Oil
A synthetic 10W-30 race engine oil formula designed to reduce wear, improve throttle response and provide cooler engine temperatures.
Manufacturer: AMSOIL
Model: Dominator Synthetic 10W-30 Racing Oil
Product ID: RD30