I used American Cylinder head in Salt Lake to freshen up a 340 for me. There was an old timer there that really knew his stuff. Its been awhile so I don't know if he is still there.
I had Jensen Machine in Ogden build a 408 short block for me recently and they did a great job.
I've also heard of shop in Utah County called Strasburg Machine that is supposed to be a mopar shop. Have never used them so not sure about them.
