New ultra strong cro-moly cross shafts are threaded to accept both our standard OE style pivots or premium Delrin pivots. Cross shafts are available in chassis mounting hole spacing ( measure center to center ) as follows:5", 5 1/2", 5 7/8"-6", 6", 6 1/2", 6 5/16", 6 11/16", 6 15/16", 7 3/4"