According to the centramatics flow chart my 95 U280 uses part number 800-822 for the front and part number 600-640 for the rear duals. <br/><br/>I have read older post that show a different number for front 22.5" with disc brakes. <br/><br/>Something about stud piloted vs hub piloted. I'm almost certain mine are stud piloted. <br/><br/>Suggestions?<br/><br/>Edit.... front disc with aluminum wheel should be...