How would you rate
"Bought this as recommended by a friend it did work for while but the problem (blown head gasket) re appeared after a short while. It seems that the problem was far worse the initially thought. HEAD WARPED. Can't expect miracles, am sure it would have worked in a lesser serious situation.
K SEAL ULTIMATE PERMANENT HEAD GASKET REPAIR WITH ANTI RUST PROTECTION
Sold by MotorNuts"