8-Tooth CW PMGR - 8-Splines, 28mm Gear OD, 51mm OAL, 12mm ID (4-756; 16514, 16729, 16874, 16922, 16939, 16940, 16992, 17131, 17142, 17146, 17185, 17194, 17214, 17217, 17221, 17266, 17450, 17451, 17478, 17557, 17566, 17592, 17689, 17708, 17709, 17734, 17740, 17761, 17762, 17763, 17764, 17766, 17772, 17773, 17783, 17795, 17796, 17797, 17810, 17836, 17837, 17838, 18095, 18096, 18396, 19037, 19107, 19827, 31338, 32354, 32525, 32545, 32546, 32694)