Castrol GTX 5W-30 Motor Oil with SUPERIOR SLUDGE PROTECTION. Key Benefits include: * Castrol GTX exceeds demanding U.S. high shear and stay-in-grade requirements for viscosity breakdown protection. * Far exceeds the demanding U.S. requirements for viscosity breakdown in every grade! * Engineered to provide maximum protection against viscosity and thermal breakdown! * Anti-oxidants, detergents and dispersants provide unsurpassed protection against thermal breakdown. * Exceeds passenger car and gasoline light truck requirements for the protection of gasoline and turbocharged engines where API SM, SL, SJ or SH is recommended. * Formulated to exceed engine protection requirements of Ford ESE-M2C153-G and F, GM 6085M, Chrysler Corporation MS-6395H.