Dodge Dyna-Sync Timing Belt Pulley, Block Type KF-1, Taper-Lock Bore Type, 7/8 to 3-1/4 in Bore Dia, 6.575 in Outside Dia, 6.685 in, 7/8 in Pitch, 3.63 in Face Width, 7.28 in Flange Dia, 0.81 in Hub Projection, 3020 Bushing, 3.63 in Overall Length, For Use With: 3 in W XH-Belt Clean, compact Taper-Lock designEasy on/off operationFlange design standard on drive size