ROYAL PURPLE® is The Synthetic Expert

Your engine or equipment will only function as well as what you put in it. We scientifically engineer high performance synthetic oils and lubricants that outwork the competition.
Your engine or equipment will only function as well as what you put in it. At Royal Purple, we scientifically engineer high performance synthetic oils and lubricants that outwork the competition in the laboratory, on the road, and in the field.

Synerlec® – Our signature additive technology

In addition to freeing up more power and providing greater engine life, our products help reduce emissions and improve gas mileage. Race car drivers and certified mechanics have trusted and relied on our synthetic lubricants for years. Why Royal Purple® products? Because we make the best lubricants possible, with the best industry-available raw materials and our proprietary additive technology. We developed Synerlec®, our signature additive technology, to provide our customers with industry-best film strength to eliminate excess wear and improve combustion.

Royal Purple Advantage
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Low-Speed Pre-Ignition Innovation

In an effort to provide the highest performing lubricants that are safe and effective in any engine, Royal Purple HMX®, HPS®, XPR® and High Performance API licensed engine oils are formulated with only the most advanced additive technology that is tested and proven to be effective at reducing and eliminating lubricant induced Low-Speed Pre-Ignition. Royal Purple HMX, HPS, XPR and API SN+/ILSAC GF-5 licensed engine oils meet or exceed all industry and OEM requirements in reducing LSPI events while also continuing to provide the highest level of lubrication performance and wear protection for the engine.

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Synthetic Solutions For Commercial & Fleet

The Royal Purple line of high performance lubricants and specialty chemicals are specifically engineered to handle the toughest commercial applications. Our Research and Development team formulates products using premium base stocks, world class additives and proprietary chemistry. We offer a range of commercial lubrication products that outperform other synthetic and mineral-based oils in the most extreme applications and environments.