i brought this back from the dead since i'm interested in doing the same thing.
Would this be the correct sizes?
Hubcentric Rings-66.56mm-57.1mm-Set of Four
THIS AUCTION IS FOR A SET OF 4 HUBCENTRIC RINGS
PART # R66-HCR803M
One set of 4 hub centric rings with 66.56mm Outer Diameter and 57.1mm Inner Diameter. These are high quality aluminum rings. It is the buyer's responsibility to determine that these are the correct hubcentric rings for your application. There is no return on these items if you choose the wrong size.
I thought the inner should be 66.56 and the outer should be 57.1.
I'm assuming the outer means the part that attaches to the wheel and the inner that attaches to the hub?
Or do i have it backwards?