AMSOIL first in synthetics
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Richard Rioux
referral # 5256323

  (807) 853-0807
Signature Series 5W-50 Synthetic Motor Oil

Signature Series 5W-50

100% Synthetic Motor Oil

A New Level of Motor Oil Technology
5 Stars Rating
• 75% more engine protection against horsepower loss and wear
• 50% more cleaning power vs. AMSOIL OE Motor Oil
Protects turbochargers 72% better than required by the GM   dexos1 Gen 2 specification
• Trusted by professional engine builders
• Guaranteed protection for up to 25,000 miles or one year

PACKAGE SIZES AND UNITS OF MEASURE
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Full list of Units of Measure and Package Sizes

Availability and Price subject to AMSOIL stock.
TECHNICAL SPECIFICATIONS

More engine protection

Molecule
Molecular 
Engineering 
for Modern Engines
Snowflake
Keeping it Cool 
by Reducing Friction 
and Lowering Temperatures
Environment
The Right 
Environmental Choice
Nano Technology
Finest 
Lubrication in the World  with Nano Technology
3 Bottles  Signature Series 5W-50 Synthetic  Motor Oil
  • Engineered for enthusiasts seeking maximum protection and performance.
  • Precision-formulated with cutting-edge technology and a longstanding devotion to making the world’s best motor oil.
  • The result: engine protection that blows the doors off the highest industry standards.

 

  Signature Series Delivers Powerful Protection

  • Protects turbochargers 72% better than requiredC by the GM dexos1 Gen 2 specification.
  • Robust anti-wear additives further reduce wear in metal-to-metal contact regions for maximum engine life.
  • 75 percent more engine protection against horsepower loss and wear than required by the industry standard, extending the life of vital components like pistons and cams.
  • Develops a strong fluid film that keeps metal surfaces separated.
  • Fights viscosity breakdown better than the competition, providing superior protection of pistons, cams and bearings.
  • Signature Series is barely challenged by the industry-standard testing, demonstrating only a 0.1% viscosity increase. Even when the test length is doubled, AMSOIL delivered twice the viscosity control required by the standard.


  Signature Series Keeps Engines Cleaner

  • Provides 90% better protection against sludge.
  • Formulated with superior thermal durability that resists breakdown and keeps pistons clean.
  • Controls heat and minimizes performance-robbing deposits.
  • Maximizes engine life and performance.
  • Has 50% more detergents to help keep oil passages clean and promote oil circulation.
  • Fights volatility 38% better than Mobil 1 and 17% better than Royal Purple, helping reduce oil consumption and keep valves clean.
  • Is fortified with a heavy treatment of detergent additives, delivering 28 percent more acid-neutralizing power than Mobil 1 helping engines stay cleaner, longer.
  • Even after doubling the length of the industry-standard test, it delivered 40% cleaner pistons than required by the standard.


Dedicated engine builders and mechanics put in long hours honing their craft. These architects of powerful, high-performance engines turn to Signature Series to protect their passion.

AMSOIL Signature Series Acid Neutralizing Power
AMSOIL Signature Series Oil Volatility
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