Well, here's the thing...
Not all "basic ol radius arms" are created equal. The selection of the rod ends and the material the arms are constructed out of make all the difference.
Knowing the owner of Serious Offroad allows me to understand just how much he cares about his products and our community. IMO, you will be hard pressed to find better parts for the price.
AND... Once the rod ends on my LA 4 link wear out, I will be replacing them via Serious Offroad. Of this, there is no doubt.
These are solid folk selling solid product.