A-82011591Trans Disc: 13", 6-button, spring loaded
A-E5NN7550CATrans Disc: 14", 6-button, spring loaded, 1.47" hub width
A-D8NN7550BBTrans Disc: 14", 6-button, spring loaded, 1.75" hub width
A-81717991Trans Disc: 9.062" included w/ pressure plate, rigid disc, organic
A-83916954Trans Disc: 9.062" included w/ pressure plate, rigid disc, organic
A-D8NN7550FATrans Disc: 9.062", organic, rigid, incl w/ pressure plate