Premium Synthetic Motor Oil for Heavy Duty Use

The fully synthetic Royal Purple API-Licensed Heavy Duty SAE 5W-40 High Performance SN Synthetic Motor Oil - 1 Quart (Case of 6) is not made from crude oil like traditional motor oils. Instead, it is designed to lubricate, clean, and cool engines with utmost efficiency. The Society of Automotive Engineers (SAE) has created a numerical code system that grades motor oils according to their viscosity, with the higher the number between 0 and 60, the more viscous (thicker) the oil is. This particular oil has a weight of SAE 5W-40, meaning it has an SAE viscosity rating of 5 in cold temperatures and a rating of 40 at normal operating temperature. It is important to always check the vehicle's owner's manual to ensure the correct weight of motor oil is used.

Synthetic oil can be used as an alternative to motor oils refined from crude oil, and often provides superior mechanical performance, including increased gas mileage and reduced engine wear at extreme temperatures. However, the complex method of production means that synthetic oil can often cost more than conventional motor oil.

Royal Purple Motor Oil combines premium base oils with proprietary additive technologies to create high-performance motor oils that optimize engine performance and provide superior protection. No special procedures are necessary when upgrading to Royal Purple, as it is fully compatible with mineral or other synthetic oils. Royal Purple recommends waiting until the manufacturer's first scheduled oil change in new gasoline engines before upgrading to their product.

Royal Purple's API licensed motor oil delivers superior protection and improves performance in both gasoline and diesel engines. It meets ILSAC GF-5 and Dexos1 performance requirements, ensuring better wear protection, increased fuel efficiency, better protection of the expensive catalytic emission system, improved compatibility with fuels containing ethanol, and superior corrosion protection.

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