Castrol? EDGE? 5W-30 is an advanced full synthetic motor oil and the optimal choice for drivers who want the best combination of wear protection, viscosity control and thermal stability to maximize engine performance. It’s formulated to provide Superior Performance and Protection in 7 Critical Areas including fuel economy, high temperature performance, sludge control and wear protection. 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 GM dexos1? Gen 3 Meets engine test requirements of Chrysler MS 6395 Meets Ford WSS-M2C946-B1 Meets Ford WSS-M2C961-A1