Belts - Drive Idler pullies Belt idler inside width idler outside width pistol spacer - RCD style 65 mm 2.6" (2.56") 2.65" 3.01" 75 mm 3" (2.95") 3.05 - 3.1" 3.45 - 3.5 3.825 84 mm 3.3" (3.31") 3.4 3.83 4.135 Pulley width 3,5 or 4.5 ofset .375, .5, .
