I believe I have a set of rings from an old Stainless Steel Brakes 9-inch rear disc kit. Do you know the ID and OD of the spacer you need? I can check these to see if they'll work for you.
Let me know and they're yours...
Modified Mustangs & Fords Project Snake Charmer
2006: 2/14 Delivery by Stewart Transport, 8/15 becomes a roller, 8/26 drivetrain installed, 10/15 first engine start, 12/23 wiring completed, 12/31 body test fit
2007: 2/25 first go-cart, 4/15 leaves for paint, 8/24 paint prep begins, 12/10 paint work completed
2008: 1/7 home from paint, 2/1 titled, tagged, and insured, 3/15 interior complete, 6/2 alignment, 6/4 Graduation