Suitable for engines used in both street and racing applications, 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, Contains high zinc and phosphorous additive concentrations, This high performance engine oil provides a multi-viscosity grade and the synthetic components facilitate cold starting and quicker engine warm-up.