You can give Ribcraft a call,they do a nice 'Diamond pattern' wear patch which you can see on a few Ribs on here.Try looking at the pics of Rhonin's R.C 7.8.
I'm sure 'Henshaws'could help too if that's easier for you.
A clever Man learns by his mistakes..
A Wise Man learns by other people's!
The Road to HELL ..is Paved with "Good inventions!"