Do these bolt to factory mounting points?

Yes. These attach at factory rocker attachment locations with no drilling or frame modification required. Refer to your service manual for torque specifications.

Does this come with mounting bolts and hardware?

The bars ship as assemblies. Mounting hardware not confirmed — verify fitment and gather fasteners before installation.

Does the steel need to be painted or sealed before install?

Steel is bare and will require prep and paint if you want a finished look. Install after finish work is complete to avoid damage during mounting.