STP High Mileage Oil Treatment + Stop Leak (443mL) is a specially formulated oil additive designed to restore and maintain the performance of high-mileage engines. Ideal for vehicles with over 120,000 km, this powerful formula helps to reduce oil consumption, prevent leaks, and minimize engine wear while enhancing engine performance.

The high-mileage formula thickens worn engine oil to help reduce leaks and prevent further oil loss, particularly around seals and gaskets. It also revitalizes aging seals, keeping your engine running smoothly and efficiently. This treatment works to improve oil viscosity and maintain consistent oil pressure, helping to reduce engine noise and extend engine life.

Key Features:

• Restores and revitalizes seals to stop oil leaks

• Reduces oil consumption in high-mileage engines

• Helps prevent further engine wear and tear

• Improves oil viscosity and engine performance

• Reduces engine noise and helps maintain oil pressure

• Compatible with all motor oils (synthetic, semi-synthetic, and conventional)