MATL FORGED STEEL BODY; STEEL ADJUSTING @SCREW NUT AND BEARING BODY IS 5.335 IN. LG 1.295 IN. W 2.535 IN. H 1.188 IN. SHAFT HOLE DIA 1.500 IN. FROM CENTER OF SHFT HOLE TO CENTER OF ADJUSTING SCREW HOLE 3.000 IN. FROM CENTER OF SHAFT HOLE TO CENTER OF ROCKER FACE BUSHING IS 1.188 IN. OD 1.125 IN. ID 1.250 IN. LG THREADS 0.500-20 UNE-RH