Dodge Dyna-Sync Timing Belt Pulley, Type A Arm, Taper-Lock Bore Type, 7/8 to 3-1/4 in Bore Dia, 13.315 in Outside Dia, 13.369 in, 1/2 in Pitch, 2.34 in Face Width, 3020 Bushing, 2.34 in Overall Length, For Use With: 2 in W H-Belt Clean, compact Taper-Lock designEasy on/off operationFlange design standard on drive size