Pennzoil 5W-20 Full Synthetic motor oil with Active Cleansing Technology helps prevent the formation of performance robbing deposits. Pennzoil Full Synthetic motor oil offers enhanced wear protection in high and low temperatures, provides excellent resistance to oil breakdown in severe environments, helps prevent sludge and deposit build up, and is suitable for both new and old engines. Pennzoil Full Synthetic is formulated for longer drain intervals than conventional and synthetic blend motor oils and comes with a free warranty coverage of up to 10 years or 300,000 miles* (whichever comes first; see Warranty Information below)). It meets or exceeds the requirements of the following industry specifications: API SP-RC and all previous categories; ILSAC GF-6A. Meets or exceeds the requirements of the following OEM specifications: Chrysler MS-6395; Ford WSS-M2C960-B1 and WSS-M2C960-A. For a full listing of equipment approvals and recommendations, please consult your local Shell Technical Helpdesk.