Give your high-mileage engine the extra protection it deserves with STP High Mileage Oil Treatment plus Stop Leak, an engine oil additive that improves oil performance and helps engines run longer. Ideal for vehicles with over 75,000 miles, this engine treatment is excellent for all cars, light trucks, and SUVs. The high-viscosity formula with anti-wear agent ZDDP helps fight metal-to-metal friction by providing a thicker cushion between moving engine parts. STP High Mileage Oil Treatment plus Stop Leak rejuvenates dry, shrunken, and cracked seals and gaskets to reduce oil consumption and improve engine efficiency. It also works as an effective engine oil stop leak to stop engine leaks, noise, and smoking, helping protect against engine damage and deliver a smoother, quieter ride. Simply add one 15 fl oz bottle of the engine oil treatment and leak sealer to 4-5 quarts of oil with every oil change to maintain peak engine performance. Protect what moves you with STP High Mileage Oil Treatment plus Stop Leak.

Product Features:

• Rejuvenates seals and gaskets
• Contains zinc anti-wear agent ZDDP
• Helps stop engine leaks, noise and smoking