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K-Seal Permanent Coolant Leak Repair is from a Global Brand that Specialises in Innovative Permanent Coolant Leak Repair Products. K-Seal Takes Just Minutes to Stop the Leak-Permanently. you Simply Shake, Pour and Go!, K-Seal Permanently Seals most Leaks in the Engine Block, Cylinder Head, Head Gasket, Radiator, Freeze Plug and Heater Core of all Types of Water Cooled Engines. K-Seal Mixes with all Types of Antifreeze. No Draining or Flushing the Cooling System Before Use. Don't Just Seal it, K-Seal ...