Ridetech bolt-on or universal 4 links for cars & trucks!
![](https://eadn-wc05-9930834.nxedge.io/wp-content/uploads/2020/04/4-link-800x284.png)
The function of a 4-link is to keep the rear axle in its proper place under the vehicle. The bottom two links keep the axle in place front to back. The upper two links keep the axle from rotating, keeping the pinion angle as constant as possible.