For sale are used idler pulleys. Each is sold separately from the "select" drop down menu:

-- 2 Step Pulley, 2L Groove 8-3/4 OD, 3L Groove 8-5/16 OD, 1/2" Shaft, (broken 2 bolt flange)
-- 3 Step Idler, A, 4L V-belt, 2, 3-7/8, 4-3/4 OD's, 5/8" Bolt

 If you have any questions, just ask.