4 link question

So I finally got the rest of the rear belly of the beast all cleaned up and started on the four link set up. First pic is the insert, I am just pocketing the frame for the lower links. The second pic is the insert in the frame, and the third pic is it all welded up with 1/8" reinforcing plates on the outside of the frame. I will drill and weld washers tomm.
Andrew

4 link 1.jpg

4 link 2.jpg

4 link3.jpg