I hope this will help you a bit. The local tractor parts yard here in central NY has a 301 that they are parting out. the last I was there the cowel and hood were all intact. The cluster gauge unit was gone. No grill parts.
Mac Fadden and Son. ph is 518-284-2080. ask for Jeff. You can mention my name, but it probably won't help on the price, HeHe.
My e-mail is open if you would like to trade contact info and discuss it further.