K-Seal HD Multi Purpose One Step Permanent Coolant Leak Repair - 16 oz

Fixes most leaks in all types of water cooled engines including cracked heads, head gasket failures, cracked blocks, radiators, heater cores and water pumps. Repairs made with this product is permanent. Unlike inferior coolant products, it works with all types of antifreeze and coolant. Theres no need to drain or flush the system before or after treatment. Easy to use just shake the bottle and add it to the cooling system and go. Heavy duty formula is designed for larger capacity engines. 16 oz bottle is effective to 50 quarts cooling capacity.