UPDATE: Still Available.
(02/03/2018) This might have the largest passenger grip bar I’ve run across.
“1953 WILLYS JEEP —-RUNS GREAT—— REBUILT—– NEW ITEMS INCLUDE; wiring, tires,shocks,gas tank,glass, seats, upholstery, top, hoses, gages, brakes, exhaust system, 4 cyl engine rebuilt-”
https://tucson.craigslist.org/cto/d/willys-jeep-1953-good-cond/6472735412.html