They attach to the ends of the fenders and close off the gap between the bumper and the fender. There is a flat wrap around the ends of the fenders and they plug into stock holes there.
They went out in the mail this evening. So youll have lots of time before spring to get your car back together. Glad to help you out. Thats how we roll here on CP.
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'68 Parisienne 2+2 Convertible Matador Red (Resale Red but not for sale).