Tag Archives | 20W-50


Royal Purple: High-Performance Street Synthetic Motor Oil

High-Performance Street (HPS) synthetic motor oil from Royal Purple is specifically formulated to maximize performance and meet the demands of high-performance and modified engines. HPS is recommended for vehicles no longer under manufacturer warranty—and for those seeking a higher level of performance and protection. Available in 5W-20, 5W-30, 10W-30, 10W-40, and 20W-50 viscosities, Royal Purple’s […]

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