Pennzoil conventional, 5 qt. 10W30 motor oil, GF5 multi-viscosity, active cleansing agents in SAE 5W20, SAE 5W30 & SAE 10W30 viscosities, continuously helps prevent dirt & contaminants from turning into performance robbing deposits, helping keep your engine clean to maintain responsiveness, it meets or exceeds the engine protection required by ILSAC GF-5, or API sum & is specially formulated to provide extra protection against the harmful effects of stop & go driving & high & low temperature engine operation.