You talked me into it. 727 to a 904
12108 Fri, 904/A500 Forward Clu(Rear) .061" (Smooth) 60-Up (Raybestos Frictions)
12108A Fri, 904/A500 Forward Clu(Rear) .061" (Hi-Energy) 1960-Up
B12108 Fri, 904/A500 Forward Clu(Rear) (.061" )(Smooth)60-Up (Borg Warner)