Speedmaster sale. It started

Sure, ideally have it welded. But it’s not a damaged head, it not a fatal flaw it merely is a very very very minor imperfection “IF” not into a coolant, oil passage etc so it could be rectified with alternative acceptable measures.
Me? I’d essentially pin it, drive that ***** in, clean it up, done. Interference fit. It ain’t coming out.
In the end just do what’s best for you.