This is the pivot area of an original torque tube rearend.
pivot points When installing a 55-62 1/2ton pumpkin(third member)into an original torque tube housing to achieve an open driveline.The torque tube is no longer there to hold the pivot angle of the rear end.You have to set the pivot angle,then weld the pivots up solid.If you don't,the rear end will turn and the drive shaft will fall out.
Tim
