Permanently seals leaks in the head, head gasket, block, radiator, heater matrix and water pump. K-Seal couldn't be simpler to use. Just shake the bottle, add the fluid to your coolant system, and run your engine as normal. K-Seal's unique formula will seek out holes and cracks, and permanently seal them, with no adverse impact on the efficiency of your engine cooling.

Product Features:

• Mixes with all types of antifreeze
• No flushing.
• No draining.
• Made in USA