Comes in a case of 12 conveniently sized, one quart bottles, Delivers excellent shock load and high temperature protection to heavily stressed engine parts, It provides a multi-viscosity grade and the synthetic components facilitate cold starting and quicker engine warm-up, It's 1,500 ppm Zinc and 1,340-1,400 ppm Phosphorus contents provide the needed anti-wear protection to critical engine parts, This partial synthetic SAE 10W-30 is a truly versatile high performance oil suitable for engines used in both street and racing applications.