This is the driver side frame bracket that connects the driver side lower link and the single upper link to the top of the axle housing. It fits under and inside the frame rail. The lower links use beefy Johnny Joints at each end. They are made from 1.75x0.281-inch wall DOM tubing and the joints have a 1.25-inch threaded shaft. Link length is about 32 inches from eye-to-eye. The upper link is 1.75x0.12-inch wall DOM tubing and uses 7/8-inch shaft x -inch bore FK rod ends.