Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts

6X better wear protection on critical engine parts than industry standards** 1.3X better sludge protection than industry standards* 3X Stronger against viscosity breakdown than leading full synthetic^ Protection for 10,000 miles between oil changes *As measured in Sequence VH sludge test vs. API SP limits **As measured in the latest Sequence IVA test ^ Based on Kurt Orbahn test in 5W-30 grade Meets or exceeds the following specifications: API SQ/SP/SN PLUS/SN ILSAC GF-7 GM dexos1™ Gen 3 Meets Ford WSS-M2C947-B1 Meets Ford WSS-M2C962-A1