ID Saddle tanks for shortbed 4x4

[18Z]

I took the two saddle tanks that were on my 71 GMC shortbed off by grinding the tops off, after those stupid designer nuts striped out, then used the technique that people said on a few threads using a BFH to hit them out but that has only ruined them and the bolts are still in there. Does anyone have two of the small shortbed saddle tanks with the bolts out I can buy or a name of someone who can fabricate two new ones?