Petronas Syntium 1000 SAE 15W-50 is a fully synthetic engine oil that exceeds the latest API SM specifications. It is specially formulated to provide ultimate engine protection and performance for high performance engines, especially those with emission control devices operating under extreme conditions. The synthetic base oils and additives provide exceptional thermal and oxidation stability to minimize thickening at high temperatures, control deposits, and reduce engine wear. Extensive testing shows it delivers complete engine protection for demanding operating conditions throughout long drain intervals.