Skyjacker Differential Mounts UJ3R 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 U-BOLTS/12X234X6 ROUND U-Bolt Kit; Round; 0.5 in. Dia.; Incl. 4-PN[12X134X6]; Nuts; AxleU-Bolt
