https://www.toyotapartsdeal.com/oem/toyota~pin~w~hole~for~clutch~master~cylinder~push~90249-10048.html
1975 to 1984, not sure if it's a fit
or this:
http://www.jp-carparts.com/toyota/partlist.php?maker=toyota&type=791110&cartype=1&fig=3102
31453A 90249-10018
Add inquiry PIN, W/HOLE(FOR...