Sears, trailer hitch shops, hardware stores...
Might even try craigslist see if people selling them.
That aluminum isn't made to haul heavy items.....which is kinda a duh I know but you need a reinforced steel one. Might be more than the 200 your after.
Btw...the top pic would look nice on my Tahoe
'97 4 dr. Tahoe
Polk Audio MM6501
Wolfram amps 3000.1, 125.4 coming soon
2 Sundown Audio X 15's Tuned @ 30Hz.
Interstate battery/Royal Excelene/KnuKoncepts Kolossus wiring