Pennzoil Platinum full synthetic 5W-30 engine oil with superior Active Cleansing Agents continuously attacks potential and stubborn deposits to help keep the engine clean. It also contains special protective additives for our ultimate engine protection that exceeds USA and European industry standards like ILSAC GF-4, API SM and ACEA performance. Pennzoil Platinum is designed to provide our ultimate cleansing under the most severe driving style or conditions to maximize engine responsiveness.Superior Active Cleansing AgentsCleans up to 46% of existing sludgeContinues to clean existing sludge in the second oil changeAll standard grades of Pennzoil Platinum are engineered with our unique Adaptive Molecules. These molecules are designed to:Maintain viscosity control under high heatPrevent viscosity loss due to shearing by reforming continuouslyWithstand extreme pressures at critical points by clustering together, acting like microscopic shock absorbers to absorb the impactSuperior clean up to our conventional and synthetic blend formulationsUnsurpassed wear protectionFull synthetic performance to resist oil breakdown and development of deposits