Thanks. I ended up just grabbing a pair of 1.75" grade 8 bolts at the local hardware store. After chasing the bolt hole threads with a tap and refitting everything, I wound up taking a bit off the bolts and ended up basically where I started, just more shank and less thread.
![](http://www.clubcobra.com/photopost/data/500/thumbs/20190417_200548_1_.jpg)