Dodge Dyna-Sync Timing Belt Pulley, Block Type CF-1, Taper-Lock Bore Type, 1-7/16 to 4-7/16 in Bore Dia, 11.031 in Outside Dia, 11.141 in, 7/8 in Pitch, 3.63 in Face Width, 11.8 in Flange Dia, 7-1/2 in Hub Dia, 0.38 in Hub Projection, 4040 Bushing, 4 in Overall Length, For Use With: 3 in W XH-Belt Clean, compact Taper-Lock designEasy on/off operationFlange design standard on drive size