ULTRAJET 5W40 is high temperature protection for Long Engine Life. Full synthetic technology frictionally modified formula best suited for latest generation high Performance motor engines in passenger car, sports utility vehicles, vans and light duty trucks. Excellent control of oil thickening Special molecules that actively cleans your engine. Formulated from synthetic technology base oil, high performance additive systems and leading edge viscosity index improvers it meets the requirement of the current advanced top-tier engine oil grades of API SN and ACEA A5/B5. It is optimized to provide complete engine oil performance especially for fuel efficiency, reducing friction loss and durability.