The Original Synthetic Oil
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SAE 60 Synthetic Racing Oil (AHR)
For High-Horsepower Racing Engines
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Package sizes include:
1-Quart Bottle
1-Quart Bottles (case of 12)
30-Gallon Drum
55-Gallon Drum

PRODUCT DESCRIPTION
AMSOIL Synthetic Super Heavy Weight Racing Oil (AHR) is a high-viscosity oil designed for high-
horsepower racing engines, typically supercharged and alcohol-burning or nitro-fueled, requiring a
high-viscosity oil to resist the thinning effects of fuel dilution.
AMSOIL Synthetic Super Heavy Weight Racing Oil is formulated specifically for wear protection and
friction reduction in the extreme conditions of racing. It is race proven and reduces friction, promotes
power and inhibits wear.
Motorcycle Applications
AMSOIL Synthetic Super Heavy Weight Racing Oil is formulated with a complete and robust additive
package, making it suitable for all engines for which API SL/CF SAE 60 oils are specified or desired.
AMSOIL Synthetic Super Heavy Weight Racing Oil contains no friction modifiers and is wet-clutch
compatible, meeting the frictional requirements of JASO MA and ISO-L-EMA. The combination of high
viscosity, full additive system and wet-clutch compatibility make this oil an excellent candidate for use
in air-cooled vintage and classic motorcycle engines such as the Harley-Davidson Knucklehead and
Shovelhead models.
Heat Stability
AMSOIL Synthetic Super Heavy Weight Racing Oil is highly resistant to thermal degradation and
oxidation. Even in long-term, high-temperature service, AMSOIL Synthetic Super Heavy Weight
Racing Oil maintains its specified chemical and physical properties, forming no sludge, varnish,
deposits or acids and maintaining its specified viscosity and ability to protect and lubricate engines.
Oil Consumption
AMSOIL Synthetic Super Heavy Weight Racing Oil is highly resistant to evaporative losses, which
keeps oil consumption rates low. Low rates of oil consumption allow oil to flow freely without significant
“boiloff” thickening to ensure dependable engine lubrication and protection.
Corrosion, Rust and Foam Control
AMSOIL Synthetic Super Heavy Weight Racing Oil seals out rust, neutralizes acids and resists
foaming. Rust inhibition is especially important for engines subject to frequent short-trip operations or
frequent periods of storage. Acid neutralization protects engines from damage caused by corrosive
by-products of combustion. Foam resistance ensures protection against the metal-to-metal contact
and wear that occurs when air is trapped in an oil.
Viscosity Retention
AMSOIL Synthetic Super Heavy Weight Racing Oil is shear stable, so the viscosity grade that’s
installed in the engine is the viscosity grade that stays in the engine. That’s especially important for
race engines, motorcycle engines and other engines subject to high-temperature/high-stress
operations. Viscosity retention ensures the maintenance of a protective lubricant film between working
metal parts, which prevents metal-to-metal contact and consequent failure or wear.
APPLICATIONS AND RECOMMENDATIONS
AMSOIL Synthetic Super Heavy Weight Racing Oil is recommended for use in gasoline- or alcohol-
fueled engines requiring and SAE 60, API SL/CF engine oil. Also recommended for motorcycle
engines requiring an SAE 60 JASO MA or ISO-L-EMA fluid.
AMSOIL Synthetic Super Heavy Weight Racing Oil is not recommended for use in cold-temperature
environments.
MIXING AMSOIL
AMSOIL Synthetic Super Heavy Weight Racing Oil is compatible with conventional and synthetic
motor oils. Mixing AMSOIL motor oils with other oils, however, will shorten the oil life expectancy and
reduce the performance benefits. Aftermarket oil additives are not recommended for use with AMSOIL
motor oils.
SERVICE LIFE
Follow engine manufacturer's oil drain interval recommendations when using AMSOIL Synthetic Super
Heavy Weight Racing Oil.
See specific service life notes for Harley Davidson Motorcycles (31k PDF)
HEALTH & SAFETY
This product is not expected to cause health concerns when used for the intended application and
according to the recommendations in the Material Safety Data Sheet (MSDS). An MSDS is available
upon request at (715) 392-7101 or online at www.amsoil.com. Keep out of reach of children. Don’t
pollute. Return used oil to collection centers.
TYPICAL TECHNICAL PROPERTIES
AMSOIL Synthetic Super Heavy Weight Racing Oil (AHR)
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Kinematic Viscosity @ 100°C, cSt (ASTM D-445)
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Kinematic Viscosity @ 40°C, cSt (ASTM D-445)
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Viscosity Index (ASTM D-2270)
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Pour Point °C (°F) (ASTM D-97)
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Flash Point °C (°F) (ASTM D-92)
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Four Ball Wear Test (ASTM D-4172B: 40 kgf, 75°C, 1200 rpm, 1 hr), Scar, mm
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Noack Volatility, % weight loss (g/100g) (ASTM D-5800)
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Apparent Viscosity @ -10°C, cP (ASTM D-5293)
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8411
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Total Base Number
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AMSOIL Synthetic SAE 60 Racing Oil (AHR)
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