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AMSOIL car racing series


Car Racing

Nothing rivals the combination of speed, power and excitement of racing. We’re proud to support national car racing series and local drivers to ensure fans have access to racing in their area.


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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Although you might know that synthetic oils outperform conventional oils, you might not understand why. The differences begin at the molecular level.

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