K-Seal Coolant Leak Repair is an easy to use one-step permanent coolant leak repair product, that mixes with all types of antifreeze and coolants. It will also continue to work within the coolant system and will find and repair any new or additional leaks. It will not clog or damage any part of the cooling system. One 8 ounce bottle repairs cooling systems up to 20 quarts which is typically 12 cylinders. No need to drain or flush…simply shake, pour and go.