Engineered to minimize wear when stressed, even during dry or cold starts, Features a 50W oil weight and is sold in a case of 12 conveniently sized, one quart bottles, It delivers excellent shock load and high temperature protection to heavily stressed engine parts, 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 high performance engine oil features synthetic components which facilitate improved cold starting and better protection.