Part of the Light Ball Sensor (LBS), this supports and allows the complete LBS assembly to rotate between the ball door exits on the side plates in the backend of a pair of pinspotters. This part also provides attachment of the LBS assembly to the side plates. Can also substitute 070011319Compatible with: XLi EDGE, 90 XLi, 8290 - 90 XL, 8800, 8270