8-1/4 OD Top Sub with Milled Recess for I.D. purposes, Ultr

8-1/4 OD Top Sub with Milled Recess for I.D. purposes, Ultrasonic Tested, MPI on 4 IF Box Top Connection, Shot Peened and with Pressed Steel Thread Protector. (9544) f/ Logan Series 150 Overshot.