Don’t reuse old rusty bolts when installing aftermarket control arms when you can replace them with new ones. Our kit includes new high grade hardware for installing your new lower A-Arms. Kit includes Grade 10.9 bolts, flat washers and nylon lock nuts. All hardware is zinc coated to prevent corrosion while adding a great look to your installation. Hardware kit will work on UMI A-Arms, factory A-Arms and many other brands.