Martin 40H150QD Timing Pulley, 1/2 to 2-5/8 in QD® Bushed Bore, 6.312 in OD, 40 Grooves, 6.366 in Dia Pitch, 1.813 in W Face

Martin 40H150QD Timing Pulley, 1/2 to 2-5/8 in QD® Bushed Bore, 6.312 in OD, 40 Grooves, 6.366 in Dia Pitch, 1.813 in W Face