An LED rack system for a troffer retrofit has a rail structure with a front rail, rear rail, right rail, and a left rail. The left rail is spaced apart from and parallel to the right rail. The front rail is spaced apart from and parallel to the rear rail. The rear rail is connected to the right rail and the left rail. The front rail is connected to the right rail and the real rail. A reflector is mounted to the rail structure. The reflector includes a reflector planar portion. The reflector planar portion has column supports and row supports. The column supports and the row supports are formed as linear intersecting protrusions from the planar portion.