Pennzoil Ultra Platinum Full Synthetic Motor Oil 10W-30, 1 Quart - Pack of 6 Oils formulated with PurePlus Technology consistently have lower viscosity at low temperatures (-13 degree Fahrenheit to - 40 degree Fahrenheit), so the engine requires less effort to pump the oil at temperatures Better viscosity control is achieved even under severe oxidative test conditions compared with using other API Group II and III base oils Drive on average an extra 550 miles per year Helps protect engines from loss of power Provides faster low temperature oil flow and protects in extreme heat; Certification: SN/GF-5