Lol its 109.00 for what you see in the pictureIf it was me i would take em to my local bearing supplier they might be able to match em up,how much are the merc ones?
I would love to find it for thatI think you can find that kit on AMAZON for $ 12.98
O-rings have shelf lines with specific storage requirements, ie no sun light (UV) ozone (electric motors), temperature controlled, etc.I would love to find it for that