So I just uninstalled my warn elite bumper off my 12 jk and can't seem to identify if the brackets marked in red are part of my original frame or were they part of the Warn bumper brackets?? A little help, cause I'm getting ready to sell the warn bumper I just took off! Thanks!!!

 

Those are support brackets for the winch plate, they tie the plate into the frame for support. They should go with the winch plate and with the bumper if the winch plate is part if the bumper b