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  • Contains no harmful solvents
  • Renews worn seals with no risk of damage or eventual corrosion
  • Reduces engine noise and oil consumption, while raising oil pressure
  • Compatible with petroleum, semi-synthetic and full synthetic motor oils
  • Compatible with petroleum, semi-synthetic and full synthetic motor oils
  • Use 20% of system capacity
  • E.g. 1 Quart Lucas Engine Oil Stop Leak to 4 quarts of motor oil