Dodge Dyna-Sync Timing Belt Pulley, Block Type KF-1, Taper-Lock Bore Type, 1/2 to 2-11/16 in Bore Dia, 6.017 in Outside Dia, 6.127 in, 7/8 in Pitch, 2.56 in Face Width, 6.59 in Flange Dia, 0.81 in Hub Projection, 2517 Bushing, 2.56 in Overall Length, For Use With: 2 in W XH-Belt Clean, compact Taper-Lock designEasy on/off operationFlange design standard on drive size