it rubs on the lower passenger control arm
If it rubs while turning hard right, the back of the tire turns toward the control arm on the passenger side. For it to rub, your steering stops shouldn't be there, the track bar is probably worn, and potentially the control arms bushings also.
The steering stop bolt is metric fine so you may need to replace it. When replacing it, you'll need a nut to help lock it down and secure it. You could add washers between the nut and the head of the bolt to help the bolt retain its straightness. To add, the track bar needs to be replaced. It centers the axle under the vehicle statically and when the front wheels are facing directly forward. Turn you tires straight. Take a measure off the frame on both sides to see if the axle is centered. Then turn the steering wheel right/left and see if the frame and axle mounts are rigid. If there is play in the track bar mount in these areas, it needs replacement. Lastly, the suspension has 4 control arms. Each one is attached to the frame and the axle through rubber bushings. These bushings in time will wear and the front axle will have play and movement. Check to make sure these bushings are fine. Moving the steering right/left is also show movement in the axle mounts.
Hope this helps.
