Dodge Dyna-Sync Timing Belt Pulley, Block Type KF-1, Taper-Lock Bore Type, 1-3/16 to 3-15/16 in Bore Dia, 8.246 in Outside Dia, 8.356 in, 7/8 in Pitch, 3.63 in Face Width, 9.31 in Flange Dia, 0.13 in Hub Projection, 3535 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