ATI shell assembly, 7.074 inches diameter, steel construction listed for part number 918400 and specified as a 3-ring unit. The description identifies this item as a shell intended to match that ATI part reference and ring configuration. Install this shell when refurbishing or completing an ATI damper assembly that calls for the 918400-compatible steel 3-ring shell.
ATI Shell Assy - 7.074 - Steel - for 918400 - 3 Ring