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Your order may take longer than normal to arrive. We are experiencing extremely high demand and freight carriers are experiencing delays nationwide. LTL shipments are most severely affected.
Search results for 5W-20 Signature Series — 120 matches
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21 - 22 of 22 products
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Performance Tests
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AMSOIL Performance Test Signature Series Synthetic Motor Oil Signature Series helps keep engines cleaner, longer. Signature Series Synthetic Motor Oil Signature Series delivers powerful protection. Signature Series Synthetic Motor Oil Signature Series fights wear. Signature Series Synthetic Motor Oil Signature Series protects against LSPI. Signature Series Synthetic Motor Oil Signature Series guards turbos. Signature Series Synthetic Motor Oil Signature Series cleans. Signature Series Synthetic Motor Oil Signature Series fights viscosity breakdown. Signature Series Synthetic Motor Oil Signature Series helps keep valves clean. AMSOIL Signature Series Synthetic Motor Oil Signature Series re...
Why Synthetic
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Why Synthetic Oil? Synthetic Oil vs. Conventional Oil AMSOIL synthetic lubricants deliver wear protection, engine cleanliness and fuel efficiency conventional oils simply can’t match. They help your vehicles run better and last longer. Learn More What is synthetic motor oil? AMSOIL synthetic lubricants are chemically engineered to form pure lubricants. They contain no contaminants or molecules that don’t serve a designed purpose. Their versatility and pure, uniform molecular structures impart properties that provide better friction-reduction, optimum fuel efficiency, maximum film strength and extreme-temperature performance conventional lubricants just can’t touch. Conventional lubricants...