Do these panels block access to the jack points?

No. The panel geometry is designed to work around factory jack points. Before installation, verify your vehicle's OEM jack point locations match the panel cutouts.

What prep work is needed before painting?

Sand the surface with appropriate grit to promote paint adhesion, then clean thoroughly to remove dust. Follow your chosen paint system's surface prep guidelines for best results.

Are fasteners included with the panels?

The panels ship as bare assemblies. Source fasteners matching your vehicle's factory rocker panel bolt pattern and size — your service manual or OEM parts diagram will specify the correct hardware.