8. Irontite All Weather Seal, Blue, 16 oz
Looking for a budget-minded seal? The Irontite All Weather Seal, Blue, 16 oz is a great option for those who are looking for a cost-effective solution to fixing a blown head gasket. For $17.00 a bottle the Irontite All Weather Seal is a great product. This formula can be dumped into your existing coolant mixture. The setup time will be about an hour and you’ll need to have the car running at operating temperature. This works on a variety of different makes or models.
The formula works in engines with a cast-iron block as well. If you are thinking about sealing a bad head gasket on an older engine, this could be the solution. For the price and ease of use, Irontite All Weather Seal, Blue is a great choice.