These take our U Bolt Plate Shock Tabs the final step where we provide the U Bolt plates, the tabs, and we weld them up for you. Our U Bolt plates are 3/8" thick and proved to be way tough.  Also the tabs are welded on 3 planes further reinforcing them. They are Go Fast ready! These are sold in a set of 2 Plates, 4 Tabs, and welded together. 3 Position adjustment. These are made for 2.5" wide springs. You can choose the width you wish for your shocks.