I got around to taking the heads off my car and one head looked fine, no blown gaskets or anything but the other head the #4 cylinder had some damage on where the spark plug hole is, no damage anywhere just on this part. It had detonated from a bad tune and this was the damage in the pic. Now is it possible to fix this? I really need to salvage these heads since I really don't want to lose a good set of ported heads lol