7/16-14 x 1-1/4" style bolt and nut for installing the shock tower brace to the cowl. One bolt and nut. Usually we see the tall nuts, sometimes there are slightly shorter nuts. Not sure if Dearborn or San Jose thing or supplier variations, during the two years of production.
Ford part # for the nut is 375918-S7-8, bolt 370301-S8.