My '78 had home-cut hubcaps and Warn hubs, but the hole was cut much larger - back at the first 'rib' (and not terribly well). I have never seen a FJ40 hubcap cut that far out from the mounting flange.
Nice looking hubs!
Steve H. - KE0KNH
Colo Springs, CO
'78 FJ40, '89 FJ62, '98 4Runner