• Fights metal-to-metal contact
  • Helps quieten noisy valves and lifters
  • Reduces oil burning

Product Description

Oil burning exhaust smoking and occurs when motor oil enters the combustion chamber and burns along with fuel. This condition, known as oil blow-by, occurs when friction and metal-to-metal contact have worn down parts and created gaps between the cylinder walls, piston rings, and valve guide seals.  STP® Smoke Treatment is specifically designed to reduce these problems.

How it helps:

  • Reduces oil blow-by
  • Reduces oil burning and engine smoking
  • Provides thick oil cushion

Treat Rate: 1 bottle treats 4-5 quarts of oil

Usage Directions

Add 1 bottle to 4-5 quarts of oil at or between oil changes.

Usage Frequency: Between every oil change.

Often bought together

Basic Maintenance