/I have the belltech hanger kit for my 03 and I seam to have lost a few parts for the leaf pack... I need the leaf pack bolt shim that goes on the 7/16 bolt " not the pinion shim" "http://www.belltech.com/extras/docs/BBGC/6418.pdf u can see the part number on there but nowhere to order single parts...... do i need them or should i just try to find a replacement thks for any help in advance