k-seal Heavy Duty

• Fixes most leaks in all types of water cooled engine including cracked heads, head gasket failures, cracked blocks, radiators, heater cores and water pumps.

A repair made with K-Seal HD is permanent, guaranteed for the lifetime of the engine.

Unlike inferior coolant products, K-Seal HD mixes with all types of antifreeze and coolant. There’s no need to drain or flush the system before or after treatment.

K-Seal HD is easy to use. Shake the bottle; add it to the cooling system and go.