Skip to main content
  • AMSOIL Celebrates 50-Year Partnership with Independent Dealers
  • See why Tiffany Stone is Into Jeeps Play Video
  • Menzies Credits AMSOIL With Saving Racing Engine
  • Tiffany Stone’s Trail to SEMA Adventure
  • What Does Oil Viscosity Mean

    Oil viscosity is the measure of its resistance to flow. How quickly or slowly motor oil flows affects how well it protects your engine.

    Learn More

    Get More Great Content Delivered to Your Inbox

    Sign up for bi-weekly updates.

    *Indicates a required field.