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Synthetic Oil. Superior protection. More horsepower. Saves fuel. American Petroleum Institute Certified - For gasoline engines. The Most Advanced Motor Oil Ever Made: Royal Purple Motor Oil is the only motor oil formulated with Royal Purple's Synerlec additive technology, which forms a tough, synthetic lubricating film on all metal surfaces providing superior wear protection and improved engine performance. It also fortifies the oil against heat induced oil oxidation to extend oil drain intervals. Increases Horsepower: Proven to increase horsepower and torque. Better Wear Protection: Outperforms leading mineral and synthetic oils in load carrying tests. Increases Fuel Economy: Improves engine efficiency to save fuel. Reduces Exhaust Emissions: Improves sealing between piston ring and cylinder wall for more power and greater combustion efficiency. Keeps Engines Clean: Advanced synthetic solvency cleans engine deposits. Performance Leader: Royal Purple is the performance oil that outperforms. Exceeds Manufacturers' Warranties: Royal Purple meets or exceeds API Service SL and ISLAC GF-3 warranty requirements for gasoline engines. It also meets GM4718M gasoline engine oil performance and fuel economy specifications.
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