Those original wheels from the first days of tubeless tires are around. Look on late '50's farm trucks. Someone had some made, in AZ, on a blue Chevy 1.5 ton truck. Look in Show Time, 3 years ago or so.
'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.