I would upgrade to the 08.5 steering. Comes complete with pitman arm, drag link and tie rod. Nicer setup for sure. That and a steering box stabilizer and you'll think you're driving a new truck.
04.5 2500 QC 4x4
Suspended by THUREN. KING 2.5, Double Bypasses, Extended Long travel leafs, Thuren High Clearance Control Arms, DYSKO bumps, Thuren stabilizer, Thuren Quick disconnect Sway Bar, Thuren Drag link, SGM truss. Dyna BJ's
37" Toyo M/T's