12. CRC 401016 Metallic Block Seal-16 Oz
There are times when a head gasket leak can be on the last stages and nothing will patch it. If you have pushed your engine this far, don’t stress, there still might be hope. CRC is a brand that makes extreme head gasket sealants. The CRC 401016 Metallic Block Seal-16 Oz. is made to withstand extreme pressure from the engine that you might encounter. The generic-looking can house a fluid that is much more advanced then you might think. This fluid is unique because it seals cracks in cast iron and aluminum heads, as well as the rest of the cooling system.
Even if you have a small radiator leak the CRC 401016 Metallic Block Seal-16 Oz. could potentially save your ride. If you have a severe leak and your car is reaching extreme temperatures, give the CRC 401016 Metallic Block Seal-16 Oz. a try. You might just get your car back on the road.