well if there on fourwheeler rims just take the factory rims im guessing you still have them and cut them to were u have just the center piece were on a fourwheeler style wheel the holes would be for the lugs and u drill holes in the plate that u have cut that to match the holes on the fourwheeler rims and bolt them together then you can just use the factory c clip or whatever it was to hold the rims on from the factory it works pretty good ive used this to put 27'' car tires on cragar ss rims on one of my mowers and im gonna do it before long with 33s on a differnt mower