STP High Viscosity Oil Treatment (15 fluid ounces)

Help protect against engine wear. Contains zinc anti-wear agent ZDDP. Reduces oil burning. Lubricates moving engine parts. Suitable for All Seasons: Scientifically engineered for conventional or synthetic oils. High Quality Base Stock: Carrier of active ingredients to help protect internal engine parts to help reduce mental engine parts. Viscosity Index Improver (VII): Cushions engine to help reduce metal-to-metal contact. Helps reduce oil consumption. Zinc Dialkyl Dithiophosphate (ZDDP): Anti-wear agent that helps provide a layer of protection for engine parts. 100% satisfaction guaratee or your money back. Questions or Comments? Visit or call 1-888-G04-STP1 in the USA. Made in USA.