Bar's Products Inc.

Liquid Aluminum Stop Leak

Liquid Aluminum Cooling System/Radiator Stop Leak isĀ  formulated to permanently seal coolant leaks.

  • Xtreme Cool wetting agent reduces coolant surface tension, improves heat transfer and reduces coolant temperature
  • Safely and easily seals leaks in plastic, aluminum and copper/steel radiators, heater cores, gaskets and freeze plugs
  • Compatible with all types of antifreeze
  • Can be added directly to vehicle's cooling system with no flushing required
  • Meets ASTM D6107 specifications

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