Castrol GTX 20W50 Motor Oil is a premium, super-multigrade engine oil that guards against wear by providing enhanced oil film strength and extreme high-temperature strength.Product Features:Exceeds demanding US high-shear and stay-in-grade requirements for viscosity breakdown protectionAdvanced antiwear additives help extend engine lifeExtreme detergency action helps prevent depositsExceeds API Service SM, SL, SJ and SH, as well as engine protection requirements of Ford ESE-M2C153-G and -F, GM 6085M and Chrysler MS-6395MFor use when ambient temperature is above 20 F. Most Motor Oil products are available for in-store pickup from Advance Auto Parts.