2003-2009 GMC C4500 Topkick. 2003 GMC C4500 Topkick. 2004-2009 GMC C4500 Topkick. Notes: Disc Brake Hardware Kit. Position: Rear. Fit Notes: 2 Piston Calipers, DIH (Drum-in-Hat) Rotor. Fit Notes: 2 Piston Caliper, Excluding DIH (Drum-in-Hat) Rear Rotor.
