Dana67Dart said Mancini racing has many View attachment 1715855739 The u bolts have a flat on the U end of the bolt, and the nuts are self locking. The torque spec will be in the Factory Service Manual. IIRC it is like 45 lbs. Too much and/or the wrong U bolts WILL crush the axle tube. I am assuming 8 3/4" Dana 60 and 7 1/4 are different tech Click to expand...