I know that Arias, JE, and Total Seal all make rings for the H22. Try calling Summit (
www.summitracing.com ) - they should be able to hook you up and they have great prices too. (Note that their on-line catalog is incomplete - you'll have to call). Make sure you have the ring dimensions (bore & thickness) to double-check before you order.
If Summit is no help, I'm quite sure that JG engine dynamics can help you out (they carry the JE line). But they may charge a premium.
http://www.jgenginedynamics.com/home
Good luck.
