The MaxTrac rear U-bolt set for 3–4 inch lift blocks includes four 9/16" round U-bolts with thick nuts and washers sized for larger block lifts. Intended for use where 3"–4" blocks are fitted, these U-bolts fasten the axle to the leaf spring pack and are specified to match typical dimensions encountered in higher rear lift applications.
MaxTrac Rear U-Bolts for 3in/4in Lift Blocks - 13.00in x 3.310in x 9/16in - Set of 4