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You can have a cyl head guy give you an estimate on doing your heads before you commit. If he takes a look at them he will be able to tell you what all needs replacing. Really depends on what kind of shape the valve guides and stems are in. Usually they need replacing because the valve guides and stems both wear.



what he said, also look on here for somebodys old iron heads. I got a killer deal on some a few years ago w/ good flow numbers, never even bolted on. I'd use a steel shim gasket. It will give you better compression. The stock replacement pistons will net you about 9:1 on a good day. Will you be doing all the work?