STP Engine Stop Leak
Rejuvenates seals and gaskets. Helps stop minor oil leaks. Fortifies oil with viscosity enhancer. Lubricates moving engine parts. E-Z Flow bottle. Suitable for all seasons. Scientifically engineered for conventional and synthetic oils. Seal Swell Agent: Helps stop minor engine leaks; Helps rejuvenate seals and gaskets. High Quality Base Stock: Carrier of active ingredients to help protect oil seals and gaskets from drying out, shrinking or cracking. Viscosity Index Improver (VII): Cushions engine parts to help reduce metal-to-metal contact. 100% satisfaction guaranteed or your money back. Questions or comments? Visit www.stp.com or call 1-888-G04-STP1 in the USA. Made in USA.