a motor boat drive mounting configuration connects the drives of a boat together at their centerlines so that the drives are turned at equal angles and are synchronized by the boat &# 39 ; s steering system . the tie bar that interconnects the drives includes an end assembly that is configured to rotate 360 degrees with respect to an outer tube . the end assembly using a lug rotatably disposed in a threaded insert to provide the rotation . an end assembly disposed at the other end of the outer tube provides selective length adjustment through a threaded connection between the end assembly and the outer tube . a lock nut locks the position of the end assembly . in one embodiment , the tie bar is connected to a reconfigurable motor mount that may be selectively reconfigured in left hand , right hand , and center configurations .