Joe Gibbs Driven Racing Oil 02407 DT40 5W-40 Synthetic Oil, (Pack of 12) Higher level of Zinc (ZDP) delivers proper anti-wear protection for high output engines and flat-tappet camshafts. Advanced synthetic technology for greater film thickness under high temperatures and high loads. Defends against Turbo coking, oil consumption and viscosity breakdown. Defends against moisture drawn into the engine by modern bio-blended fuels. Utilizes a tenacious oil film technology developed for the U.S. military. Designed for water-cooled, European sports car engines