1973 340 Thermoquad - Rebuild service or need parts

This source says you need Strip Kit 10-115 for your TQ. So not the $100 one. But they also say they will sell rods and jets if you buy a kit from them.
THE CARBURETOR SHOP / Strip kits

I didn't realize there were so many strip kits for TQs. The bulk of my experience has been with AVSs.