I sent him a message on his fleabay account (wigsplitter) and he said he was out and did not know when he was going to get more, trailworthy fab has some listed.
Here is a link of a cut down runflat they sell, I guess that answers the question about what that other guy was selling, half of a 2 piece setup, they are out of these.
Cut Down Hummer Wheel Rubber Run Flat Inserts are a 2pc insert. Once we trim the run flat section off of them they no longer work as a run flat but will retain the bead so you can air down. They were designed to go inside of the tires so should they Humvee take a bullet at war they could drive...
trailworthyfab.com
Here is the link for the PVC inserts, I just ordered 5 of them, seems the quantity discounts comes in the shipping, for me it was $45 for 1, $90 for 2 and $100 for 3-5 pieces, the most it would let me add to my cart was 5 at a time.
PVC inserts go inside your tire and allow you to air down and run low air pressure with the Hummer Double Bead Lock Wheel. With the PVC insert installed (inside the tire) both inside and outside beads are pinched between the insert and the wheel making them double bead locks. In stock form H1...
trailworthyfab.com