built in flush hitch receiver, built in flush swing out spindles on both sides with caps to cover the holes if not in use, clevis tabs/mounting ears, high lift jack cut-outs on both sides and the middle(something to keep the jack from cocking, something that the jack tongue can "lock" into...), light cut-out options, maybe a built in air tank option
skidplates in 1/4 thick to go from frame rail to frame rail; from tcase flange to bellhousing, maybe a crossbar rear support that also doubles as a anti wrap bar front eye shackle mounting bar
cast aluminum door mirrors.....or cast door mirror mounts that bolt to the factory door holes and accept a 40 style rectangular swinging mirror and arm
various carb adapters- like one for an Impco CA200 mixer to Toyota 2 barrel carb base for dedicated propane use without the holley throttle body
cast aluminum rear view mirror support/ sun visor clips
gauge plates for the main cluster to accept aftermarket gauges or factory gauges or an fj 60 set of gauges...