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Royal Purple High Performance Lubricants for automotive, motorcycle, marine, racing and household applications. Numerous experts and enthusiasts report performance gains by upgrading to Royal Purple. Its considered the best synthetic oil by many end users.
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Royal Purple® Duralec® Super™ Motor Oil is a high performance engine oil made for emission-controlled diesel engines utilizing emissions equipment such as: DPF’s, Catalytic Converters, EGR,...More Details »
Royal Purple Duralec Ultra motor oil is specifically formulated to maximize performance and meet the demands of today’s heavy-duty engines. Duralec Ultra is fortified with a high level of...More Details »
Royal Purple® HMX® is specifically formulated with robust zinc / phosphorus anti-wear additives and Royal Purple’s proprietary additive technology Synerlec® to minimize wear and restore lost engine performance.
HPS is recommended for use in gasoline and diesel automotive, commercial fleet and stationary industrial engines. Royal Purple® HPS® Series motor oil is specifically formulated to maximize...More Details »
Royal Purple® High Performance engine oils carry the current API and ILSAC engine oil licenses, as well as the GM dexos1™* gasoline engine oil approval.
Royal Purple® Max-Cycle® is specifically formulated to exceed the demands of highly stressed engines and transmissions. It is recommended for use in both air-cooled and liquid-cooled 4-cycle...More Details »
Royal Purple® XPR® (Extreme Performance Racing) oils are recommended for use in various racing applications, and are popular in a variety of motorsports including: NASCAR, NHRA, World of Outlaws...More Details »
Engine builders have grown increasingly concerned that current engine oils that are API licensed for new cars and trucks do not provide adequate wear protection for freshly built performance...More Details »
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Royal Purple High Performance Lubricants for automotive, motorcycle, marine, racing and household applications. Numerous experts and enthusiasts report performance gains by upgrading to Royal Purple. Its considered the best synthetic oil by many end users.