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Team AMSOIL

Find out what our sponsored drivers, influencers and builders are doing on the track and in the garage.

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.

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VEHICLE LOOKUP GUIDES

  • Find products for your vehicle: autos and light trucks, motorcycles, ATV/UTVs, snowmobiles, marine, PWCs, heavy duty, and more.
  • Vintage vehicle lookup guide.
  • Filter lookup and cross-reference guides.
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