Part number 0311-963081 identifies an Aero (OEM) Easy Cover Flush Mount Series Spring Kit. This kit is designed for Aero Industries Easy Cover Models 465 and 565 tarp systems. It provides a complete set of spring assemblies, including components for both the driver and passenger sides of the system. This kit is crucial for replacing worn or damaged springs, pivot pins, housings, and associated hardware. It ensures the proper tension and operation of the tarp arms in these flush-mount electric or hydraulic tarp systems.