If you have smashed your factory lower control arm tabs on your Dana 30, then you already know why we decided to make these. This 3/16" steel skid plate is a weld on plate to protect and stiffen the lower control arm mounts on a Dana 30. This is one of the best bang for your buck upgrades that you can do to protect a Dana 30. These skid plates even have a clearance hole to access grease fittings on aftermarket control arm.