Sundance Spas Pillow - 6455-448 and 6455-002 (x2)
The original 6455-466 part has been discontinued.
The recommended replacement is to use the 6455-448 pillow along with the 6455-002 pillow pads.
The original 6455-466 pillow required plastic screws that would attach the pillow to the shell. With the replacement 6455-448 set, the pillow attaches to the shell with suction cups.
Use the pillow pads to adhere to the shell and then attach the suction cups to the pillow pads.