Royal Purple's vivid motor oil doesn't just promise protection — it sells performance in a bottle. With claims of it being stronger than conventional oil, better oxidation resistance, and a Synerlec ...

It's hard enough to understand things that you can see. For instance, electronic fuel injection, Rubik's Cubes, and those with the double-X chromosomes. As utterly baffling as they may be, things get ...

Synthetic lubricant manufacturer Royal Purple has introduced its new commercial lubricant product line, Duralec, specifically developed for the over-the-road trucking and heavy-duty fleet markets.