Pennzoil 550022838-PK6 5W-30 High Mileage Vehicle Motor Oil - 1 Quart (Pack of 6) Cleans out up to 40 percent of engine sludge in the 1st oil change; Continues to clean in the second oil change Helps prevent sludge and other damaging deposits Helps clean up engines by gently lifting sludge deposits off engine surfaces and dissolving them safely into the oil Keep your engine clean and responsive Provides proven wear protection Conventional motor oil formulated for high mileage vehicles Motor oil weight: SAE 5W-30 Get a cleaner engine and better wear protection versus standard conventional oil Designed for cars over 75,000 miles Backed by the Pennzoil Lubrication Limited Warranty