Now that you mention it, the four bolts that I took out of the sway bar holes are self tappers, so I might use those instead because I won't be reusing them for the frame brace. Thanks, I wouldn't have thought of that.The stock F41 braces use self tapping bolts in the center rail. So a G body that never had those braces won't have tapped holes. I don't know if aftermarket braces come with self tapping bolts.