Dually Fender Attachment

[bucket]

Those look similar to the studs used on the spoilers and flares on the F-body cars. Makes sense. I have a C&C dually with a flatbed, the dually pickups that I've seen the bed is butchered from the General to make those humps work.

HS

Several manufacturers have used them in various composite parts. Some larger, some smaller. Junkyard shopping is the best place to find them.