There are so many no-name stainless valves on the market now so you have to be careful. We upgraded my sons small block Edelbrock heads a few years ago and one of his valves chunked off on #3 cylinder. We lucked out as we pulled the head, got a new valve and I did a valve job on it, assembled the head and before we installed the head I turned the engine over. Or tried to turn it over as the piece of valve went thru the victor intake and dropped in a cylinder on the other side. We pulled that head, removed the piece, inspected the head, assembled everything and raced the next weekend. Like I said WE LUCKED OUT.

Call either Todd@CompetitionWedge or Dan@Performance Only and see if they can find you something in the REV valve line. Pretty sure they both use and recommend them.