Designer‑water jokes and eye-rolls aside, the purple jug isn't cheap. Expensive oil is often a waste of money and a 5‑quart jug of Royal Purple can run $5 to $15 more than Mobil 1 and even ...

Royal Purple’s BioMax EAL products are suitable for use with marine hydraulic systems and gears, as well as stabilizers, rudders, thrusters, controllable pitch propellers and azipods. “Royal Purple is ...

With this filter and a high-quality synthetic such as Royal Purple, you should be able to drive a minimum of 12,000 miles to a maximum of 25,000 miles on the same new oil you install at this service.

Read about the chemistry behind motor oil from Mark McFann of Royal Purple Motor Oil, only at Chevy High Performance Magazine.

Royal Purple's brand of synthetic motor oil, which is enhanced with a trademarked blend of additives, is reasonably priced, well regarded, and sports a 4.9 star average on Amazon with nearly 4,000 ...

Royal Purple 15w40 high-performance motor oil features the Synerlec additive to strengthen the oil and create an ionic bond that adheres to metal parts for continuous protection, even after ...

Royal Purple has been around for a long time. But the brand name surely isn’t as well known as, say, Castrol, Repsol or DuPont. The company’s founder was one of the first to develop synthetic ...

Leading wear-control specialist Filter Focus launched the Royal Purple premier lubricant brand into the South African market at a Speed Week media event in August, held at The Rock Raceway in Benoni, ...

Designer‑water jokes and eye-rolls aside, the purple jug isn't cheap. Expensive oil is often a waste of money and a 5‑quart jug of Royal Purple can run $5 to $15 more than Mobil 1 and even ...