FULL-SYNTHETIC - ester/PAO formula for passenger cars, light trucks, performance vehicles and marine applicationsHIGH DETERGENCY - allows extended drain intervals and provides increased cleanliness, Improved fuel economy and ring seal for more powerSUPERIOR - high temperature stability and oxidation resistance improves lubrication of hot metal compared to other syntheticsPOPULAR PERFORMANCE OIL FOR - API SN/SM/SL/SJ/SH/SG/CF and ACEA A3/B3/B4, turbocharged applications, wider bearing clearances and racing engines that see occasional street useWHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises