Amsoil Synthetic Motor Oil Additives


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Series 2000 Synthetic 20W-50 Racing Oil
The number one choice for racers of all types of vehicles. Special synthetic base stock blend and advanced additive package provides up to four times the wear protection of other motor oils. Reduces friction for quicker engine response and increased horsepower.

See Pricing Information or Place an Order

Package sizes include:

1-Quart Bottle
1-Quart Bottles (case of 12)
1-Gallon Bottle
1-Gallon Bottles (case of 4)
30-Gallon Drum
55-Gallon Drum

Unbeatable Lubrication and Protection in High-Performance Gasoline Engines

Engines in race cars, high-performance street cars, ATVs and motorhomes face high temperatures, vigorous engine speeds or heavy loads, each a potent stressor. AMSOIL Series 2000 20W-50 Synthetic Racing Oil offers unmatched protection for engines facing tough operating conditions.

Unbeatable Wear Protection

AMSOIL Series 2000 20W-50 Synthetic Racing Oil is specially formulated to carry the oil's wear reducing and heat transferring agents to the engine's surfaces and hold them there. By positioning vital agents where they are most needed, Series 2000 provides a degree of engine protection unavailable with any other oil.

AMSOIL Series 2000 20W-50 Synthetic Racing Oil clings tenaciously to engine surfaces, so it shields engines from start-up wear. Further enhancing wear protection, AMSOIL Series 2000 20W-50 Synthetic Racing Oil's wax-free lubricating basestocks assure rapid post-start-up lubrication.

AMSOIL Series 2000 20W-50 Synthetic Racing Oil contains powerful corrosion preventives, detergents, dispersants and anti-foam agents to protect engines from the harmful effects of water, acids, debris, deposit-forming materials and air entrained oil.

Boosts Power, Speed and Efficiency

AMSOIL Series 2000 20W-50 Synthetic Racing Oil reduces friction so effectively that virtually none of the engine's power is wasted on "drag." Its extraordinary formulation gives Series 2000 a coefficient of friction lower than that of other fine, race-formulated synthetic oils. With Series 2000, vehicles accelerate fast, attain top speeds and use fuel efficiently.

Maintains Integrity in Demanding Conditions

AMSOIL Series 2000 20W-50 Synthetic Racing Oil maintains a constant high level of performance over time because it resists the damage many oils undergo in high temperature, intense shearing force conditions.

Advanced thermal stability allows AMSOIL Series 2000 20W-50 Synthetic Racing Oil to circulate readily, thus protecting hard-to-reach areas that heat-damaged oils grow too thick to reach.

Superior shear stability allows AMSOIL Series 2000 20W-50 Synthetic Racing Oil to provide a dependable pad of protection between parts even after exposure to shearing forces that tear lesser oils apart.


AMSOIL Series 2000 20W-50 Synthetic Racing Oil is recommended for applications requiring the following specifications: 

  • API SL, SH, SJ, CF

  • ACEA A2, A3, B2, B3

  • FORD ESR-M2C 179A

  • VW 501.01, 505.00





AMSOIL Series 2000 20W-50 Synthetic Racing Oil may be mixed with petroleum-based oils or with other synthetic oils. However, a mixture of AMSOIL Series 2000 20W-50 Synthetic Racing Oil and another oil may offer a shorter service life than pure AMSOIL Series 2000 20W-50 Synthetic Racing Oil does. The AMSOIL Product Warranty does not apply to mixtures of AMSOIL Series 2000 20W-50 Synthetic Racing Oil and other oils.


Non-turbo-charged, non-race gasoline engines: Change the oil at intervals up to three times longer than recommended by the manufacturer, or one year, whichever comes first.

Turbo-charged, non-race gasoline engines: drain oil at intervals up to three times longer than those recommended by the engine manufacturer, or six months, whichever comes first.

Race engines: Specified by Owner Experience/Oil Analysis.

Marine four-cycle gasoline engines and infrequently used automotive four-cycle gasoline engines: drain oil at intervals up to three times longer than those recommended by the engine manufacturer, or one year, whichever comes first.

Gasoline four-cycle fleet vehicle engines: drain oil at intervals up to two times as long, or six months, as engine manufacturer's recommendations if the findings of a conscientiously applied program of used oil analysis indicate the oil remains serviceable.

AMSOIL Full-Flow Oil Filters should be changed at 12,500-mile or six-month intervals, whichever comes first, in gasoline engines. If a Hastings or other filter is used, filter should be changed at manufacturer recommendations.

AMSOIL synthetic motor oils are fully compatible with conventional motor oil. For best results, however, use AMSOIL Engine Flush, then install AMSOIL synthetic motor oil.

For maximum engine protection, use an AMSOIL Oil Filter and an AMSOIL Air Filter.

Note: Most quick lube service centers will install these products upon request or install them yourself.


 AMSOIL Series 2000 Synthetic 20W-50 Racing Oil (TRO)

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


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


Viscosity Index (ASTM D-2270)


Cold Crank Simulator Apparent Viscosity @ -10C, cP (ASTM D 2602)


High Temperature/High Shear @ 150C and 1.0 X 106 s-1 , cP (ASTM D 4683)


Pour Point C (F) (ASTM D 97)

-36 (-33)

Flash Point C (F) (ASTM D 92)

234 (453)

Fire Point C (F) (ASTM D 92)

254 (489)

Noack Volatility (DIN 51581) 250C for 1 hour, % weight loss


Four-Ball Wear Test (ASTM D 4172: 60kg, 150C, 1800 rpm, 1 hr) Scar diameter, mm


Four-Ball Wear Test (ASTM D 4172: 40kg, 150C, 1800 rpm, 1 hr) Scar diameter, mm


Total Base Number