Abstract: A system and method for installing a predetermined number of bearings into a lower block of an engine includes a tray having a plurality of slots for receiving the predetermined number of bearings, a plurality of proximity sensors, each of the proximity sensors associated with one of the slots in the tray for tracking the predetermined number of bearings, a visual indicator for confirming movement of the predetermined number of bearings into and out of the tray, and a light curtain for sounding an alarm if the lower block is moved to an installation position for installation to the engine block before the movement of the predetermined number of bearings into and out of the tray is completed to ensure all of the predetermined number of bearings are installed in the lower block.