go on the Facebook group and the group buy for the later trucks may still be open. There was a thread posted not long ago looking for more commitments.
BTW, for anyone wanting a set for 05-07 trucks, there's a group buy on FB.
Join the group "Land Cruiser 100 & LX470 Owners Group (English)" and you'll see the link if you search Doug Thorley
https://www.facebook.com/groups/1122802047760319/
They aren't going under. They just require a certain number of orders before doing a run of headers for trucks like these which are relatively low demand relative to other trucks/vehicles. My guess is that from a business standpoint, it doesn't make sense for them to keep them in stock since...