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  • Why Buy Signature Series?
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    Why Buy Signature Series?

    AMSOIL Signature Series 100% Synthetic Motor Oil is engineered for enthusiasts seeking maximum protection and performance.
  • Beyond Expectations: Buick* Lucerne* Rolls Past 340,000 Miles
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    Beyond Expectations: Buick* Lucerne* Rolls Past 340,000 Miles

    To keep the car reliable, AMSOIL products were installed and maintenance practices were kept up on.

    • 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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