Shock extensions are pretty much shock extensions. Different brands have different ways of making them work but they all pretty much do the same. Links are a different story. You should decided how long you need them to be or get adjustable ones and, if you don't have an e-disco, you might want to look at a set of quick disconnects like what JKS makes.
Oh, wow. Those are quite a bit different that what I was looking at. Those seems a whole lot better than these things: View attachment 74324