HIGHLUB API SM Synthetic Motor Oil is a high quality lubricant that incorporates anti-wear protection, as well as, protection against sludge and deposit formation. This multi-grade oil meets the highest API quality requirement (SM) for gasoline engine passenger cars, sport utility vehicles, vans and light trucks. These oils are designed to provide improved oxidation resistance, improved deposit protection, better wear protection, and better low-temperature performance over the life of the oil.