I listed these on ebay, I've had them since 1994 or so, came right from the GM Tech Center
1993-1997 Chevy Camaro Z28 OEM Halogen Fog Lamp set | eBay
This item is being listed as used. When I received them in 1994 or so, they came right from the GM Tech Center. Not sure if they were used on the street or not. They are 100% complete as shown with OEM metal brackets, adjusters, OEM clear lenses, lamp housing, light bulbs (not sure if they are working, it has been stored on a shelf in my garage since 1994), bulb sockets and pigtails.
Stamped into each metal mounting bracket:
SAE F 93 GUIDE
MADE IN U.S.A.
Other part numbers that might be current for this left and right set: 16524929 and 16524930