Pennzoil Ultra Platinum Full Synthetic Motor Oil 5W-30, 1 Quart - Pack of 6 Engineered to provide a high-quality base oil using our revolutionary PurePlus gas-to-liquid technology in combination with a high performance additive system Delivers unsurpassed sludge protection to help keep high performance and luxury car engines as close as possible to factory clean Provides oil stability and endurance under extreme conditions (heat, load and speed) for protection against viscosity loss and thermal breakdown Formulated to deliver faster low temperature oil flow and protection in extreme heat Keeps pistons dramatically cleaner than required by the toughest industry standards