Do these mount to the factory attachment points?

Yes. These are designed for factory mounting locations on the roof—no drilling required. Test-fit before final installation to confirm alignment with your specific truck.

Will the chrome housing need any prep or finishing?

The chrome housing arrives ready to install. If you prefer to repaint or customize the finish, test your paint adhesion on the housing surface first to ensure durability.

What happens if one of the LED bulbs fails after I install these?

Individual bulbs are replaceable—they're standard white LEDs. Keep spares on hand or source replacements as needed. Check your vehicle's electrical system if both fail prematurely.