Replacing a head gasket or head gaskets is usually a big job and can be difficult to do if it's your first time.
The replacing of head gaskets means you need to remove the engine heads and other stuff that is in the way and you must get the head gasket sealed properly by torquing the heads down properly.
Also you need to replace the valve cover or valve cover gaskets as well.
It can take a few days to remove everything and replace the head gasket.
If your vehicle has 2 head gaskets you need to replace them both at the same time because even though you may only have one head gasket failing the other head gasket will fail soon after and then you have to do the job all over again.
Head gaskets usually last between 180,000 miles to 300,000 miles.
The cost to replace a head gasket on a Chevy 350 ranges from $50.00 to as much as $500.00 to even $3,000.00
The actual cost of replacing the head gaskets varies from vehicle to vehicle and whether or not you have a shop do the job or you do it yourself.
For example I have a truck with a Chevy 350engine that I've replaced the head gaskets in.
Replacing the Chevy 350 Head Gasket depends on whether you do the job yourself or if you hire a shop to replace the head gaskets.
On a Chevy 350 engine you have 2 head gaskets that need replaced.
Even if only one head gasket is bad both head gaskets should be replaced at the same time.
It's not a quick or easy job to replace the head gaskets on a Chevy 350 engine.
You'll have to remove the intake manifold as well as the heads and even the power steering pump to be able to remove the drivers side head.
So you'll need a power steering pump pulley removal tool.
If you've never replaced head gaskets it can take you around 2 days or even 4 days from start to finish.
I've bought a head gasket kit for my Chevy 350 engine for $51.00 through Ebay and it took me 2 days working on the truck in my spare time to replace both head gaskets and put everything back together.