Castrol EDGE 10W-30 Advanced Full Synthetic Motor Oil, 5 Quarts, Case of 3

3X Stronger than the leading full synthetic* 10X Better high stress performance** 20,000 miles between oil changes*** *Viscosity breakdown as measured in Kurt Orbahn test on 5W-30 grade **As measured in Seq IX test under high load/torque conditions vs. API SQ test limits ***Or one year, whichever comes first Approved and Licensed Specifications: Exceeds API SQ/SP/SN PLUS/SN ILSAC GF-7