I have a little experience with those as well. My dad had installed a set on the truck before I ever drove it. They space the wheels out about an inch on each side. Not bad on rear axles, but they cause even more road wander on the front. Also, they bolt on without studs using nuts on the original 6 lugs that are recessed in holes that will need a very thin wall socket to tighten. Then the 5 studs screw in. You have to pay attention each time you remove wheels to make sure studs are fully screwed back in before installing wheels. The studs have a tendency to back out and eventually, will not have enough threads to hold them. They work well but require a little discipline to maintain.
