Completed Handlebar Risers 1 in. Parts required : 2 - Chromed Steel 1 in. spacers 3/4" OD / 3/8" ID x 1 in. long from ACE Hardware 2 - M10-1.5 pitch x 70 mm long (low head) grade 8.8 steel cap screws (MUST BE LOW HEAD and grade 8 or better) from Fastenal p/n 90616 LHSCS M10-1.5 X 70 Must reuse factory M10 nuts which are locking type or better yet buy new Norton lock nuts. (not nyloc) This spacer is an addition to the Norton Factory short aluminum spacer . Save old short bolts for converting back . Torque to factory specs .