I have never seen one listed in any after market websites.
Seems that its just another one of those elusive parts that nobody makes anymore, kind of like the heater controls.
You might have to get a piece of steel and make your own.
'87 YJ, 4.2L built and bored, 8.5" of lift, 8.8 rear, AX15/NP 231, Tom Woods drive shafts, Flat fenders, 12,000LB winch, Custom bumpers, Rattle can paint job. Never completed...