Boyd, I have verified that the OEM shafts on my '74 have 14 x 1.5mm threads. Bolt Depot will sell you a single nut or bolt with no minimum order ..... fast service also. _http://www.boltdepot.com/Catalog.aspx?wt.srch=1&wt.mc_id=bd&type=SN_ (http://www.boltdepot.com/Catalog.aspx?wt.srch=1&wt.mc_id=bd&type=SN) Have fun now, SOBill Taylor sobill at aol.com