Ok everyone I’ve figured out all the different O-ring sizes and where to get them for these aluminum wheels. By the way the wheel part number is 0347 if you look on your wheel you’ll find WO-0347, WO stands for wheel outer and WI-0347, WI stands for wheel inner.
After the last post I’ve search everywhere ended up getting in touch with the engineer at Hutchinson about the large oring and he explained that it was truly a round oring and after getting hot they sometimes take a different shape....crazy to me, sounds like they should use a different material. But he did say I could order them from them and even shared the part number and a picture. Part # 50012
$18.00 each with a minimum order of $100 plus shipping.
So with that data you can go to McMaster Carr and order...made to order O-rings. So I ordered 4 each Buna orings with maximum temp of 250 degrees and 4 high temp silicone orings max temp 450.
and here are the other small orings for the CTIS valve and the back side of the wheel.