Royal Purple's API-licensed Synthetic Motor Oil combines premium base oils with proprietary additive technologies to create high performance motor oils that optimize engine performance. Royal Purple's API-licensed motor oil delivers superior protection and improves performance in gasoline and diesel engines. Royal Purple's API-licensed SN motor oil meets ILSAC GF-5 and Dexos1 performance requirements. Product Features:Better wear protectionIncreased fuel efficiencyBetter protection of the expensive catalytic emission systemImproved compatibility with fuels containing ethanolSuperior corrosion protection
