Motor Oil Quaker State. Peak Performance™ is fine-tuned for vehicles in their prime. It helps maintain engine life with: Resistance to thermal breakdown, Protection against harmful deposits, Security in changing climates and temperatures, Resistance to oil thickening and consumption, Control of oxidation. The result: A clean-running and long-lasting engine. Peak Performance™ exceeds North American warranty requirements for U.S., European and Japanese cars and light trucks with gasoline and gasoline turbocharged engines where API (SL, SJ, SH ) or ILSAC GF-4, GF-3 or GF-3 oils are specified. Check your owner's manual for the proper SAE grade and always follow manufacturers' guidelines for oil change intervals while your vehicle is under warranty.  12 quarts per case