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Lucas Engine Oil Stop Leak Top Off Additive (946ml)

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


  • 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

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