Royal Purple

Royal Purple® is the motor oil made with Synerlec®, a major breakthrough in synthetic oil technology. Synerlec puts a super lubricating, tough film on all engine parts allowing your engine to run with significantly less power-robbing friction. This results in increased horsepower, better fuel mileage, longer oil life and superior wear protection. Numerous independent dyno-tests have shown a 1-3% gain in horsepower. The complete Royal Purple line of products is designed to allow your engine, transmission and rear-end gears to run with less friction, less wear and last longer.