Well, the Jegs bars are Jegster branded, Altho they could be used on the street ( and will be ), they are drag bars, and I'm 100% sure the instructions ( what little there is ), is for a Drag only setup.. As far as 3 or 4 links binding, paralel 4 links ( more commonly reffered to as 4 bar ) deffinetly will bind just about like the ladder bars... Visualize the rear of the car, one tire goes over a bump. If the ladders are perpindicular and mounted farther apart, say right inside the frame rails. the ladder will bind and push into the frame, the other ladder will pull the frame because the ladders are basically rigidly mounted in a fixed position and they both act together. The only movement they can provide is within the front heim joint, and that is up and down. The setup effectivly turns the axle into an anti roll bar. Triangulate it and it provides a bit of an arc for suspension to travel in.. Same with the paralell 4 link, they will bind in some cases side to side without an arc intergrated