Permanently fixes blown Head gaskets, cracked heads and porous engine block One bottle is enough ... ingredient Cures to make a long lasting repair ...

The head gasket manages the oil and coolant flow by sealing the engine block and cylinder head ... an expensive repair that would cost anywhere from $200 to $2,000 — excluding labor.

‘This was not a true test of JB Weld repairing a cracked engine block’, claimed Internet ... With the brick surfaced, the head gasket was used to place the bolt holes, the brick was tapped ...