Additives & Treatments

K-Seal ULTIMATE Head Gasket Leak Repair

K-Seal ULTIMATE Head Gasket Leak Repair

The solution is in the orange bottle.

From the global specialists in coolant leak repair, K-Seal ULTIMATE permanent head gasket repair is the preferred choice of motor stockists and their customers. Why?

  • Fixes blown head gaskets, cracked heads and blocks.  Also repairs porous blocks
  • Guaranteed to make a repair or your money back*
  • Mixes with all types of antifreeze and coolant so there’s no need to drain or flush the system before or after treatment.  You can also use it with just plain water.
  • Independently tested by Brighton University to meet the US standard ASTM D-3147
  • Simple to use!  Just shake, pour and drive.

Does K-Seal ULTIMATE really work?

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