TOP 1 SYNTHETIC BLEND DIESEL OILS are superior quality synthetic-blend diesel oils specifically designed to lubricate a wide range of diesel and gasoline engines. Its combination of high performance SYNGEN-2000 synthetic base oils and specially balanced metallic detergent and ashless dispersant additive systems, provides excellent engine cleanliness in all service conditions. Its exceptional oxidation stability protects against the formation of gums and varnish at elevated temperatures. Formulated to exceed the performance of API CI-4/SL.