Do I need to sand this before painting?

Yes. Sand the entire surface with appropriate grit to remove the primer layer and ensure paint adhesion. Once sanded smooth, apply your chosen base coat and clear coat system according to your paint manufacturer's instructions.

Will this work with my factory headlight bulbs and wiring?

This housing is designed to accept standard RX-7 headlight components. Before installation, verify that your existing bulbs and wiring harness will fit the new housing opening. You may need to adjust or relocate certain components depending on your current setup.

What fasteners do I need to secure this to the vehicle?

This housing uses OEM mounting points. You'll need fasteners compatible with your factory attachment method. Refer to your vehicle's service manual or compare the bolt pattern with your existing headlight assembly to determine the correct hardware size and quantity.