engine oil stop leak top off additive/12x1/quart

High-quality engine oil additive blended from the finest base oils, both petroleum and synthetic.

Key Benefits

• Long lasting
• Conditions seals and o-rings to stop oil leaks
• Contains state-of-the-art components to reduce friction and wear and extend engine life
• Effective seal swell agents are used to condition hard and shrunken seals and gaskets
• 1 quart treats up to 6 quart capacity
• Mixes with all engine oils, conventional and synthetic and at any viscosity grade
• slows oil consumption