Skyjacker Differential Mounts UTBR Replace your old or broken U-bolts with these high-strength Skyjacker replacement U-bolt kits. These kits will work with stock or aftermarket leaf spring packs. 4 UBOLTS/916X212X1012 SQUAR U-Bolt Kit; Square; 9/16 in. Dia.; I.D. Length 10.5 in.; I.D. Width 2.5 in.; Incl. 4-PN[916X212X1012]; Nuts; AxleU-Bolt
