Layson's is the only outfit out there that is making the investment to reporduce trim pieces for A-body mopars. The quality of their stuff is very good.
Unfortunately they only place orders to have things manufactured when they have sufficient backlog. So quite often you will have to wait but if you place an order you will get your stuff. I am waiting on lenses for my 68 Barracuda but with the car tucked away for the winter it's no big deal.