The Superlift U-bolt 4-pack (5/8 x 3-1/4 x 19, large radius) is a full replacement hardware kit that includes nuts and washers for installation. Offered by Superlift, a long-running suspension specialist, this pack supplies four high-strength U-bolts with a large radius bend to match application geometry and to refresh mounting hardware during maintenance or upgrades.
Superlift U-Bolt 4 Pack 5/8x3-1/4x19 Large Radius w/ Hardware