When I did my 30 on my YJ, I bought it here:
(and this is the one you need)
http://www.ebay.com/itm/DODGE-CHRYS...r_Truck_Parts_Accessories&hash=item4d00db7818
(and this is the one you need)
http://www.ebay.com/itm/DODGE-CHRYS...r_Truck_Parts_Accessories&hash=item4d00db7818