Yes they fit flush and clip into the rectangular hole. I did have another set that I installed on a BS, and the left rear flare never fit snugly. I contacted Bushwacker and they sent new clips that were better but still not a tight fit.
I installed the Bushwacker flares and so far no issues at all. I check the clips occasionally to make sure they are tight on the inside of the fender wells.
Four wheels and Continental Cross Contacttires from my Bronco. Used for approx 2k miles. No damage to wheels or tires. No TPMS
Asking $650. Located in South Florida.