Do these bolt to factory mounting points or will I need to drill?

These mount at factory rocker points with no drilling required. Standard socket set and torque wrench handle the install.

Do they come with all the bolts and hardware I need?

Mounting hardware is not specified in the product data — reach out before install to confirm what fasteners you'll need or already have on hand.

Will the chrome finish hold up to road salt and weather?

Chrome is durable but will require regular cleaning to maintain appearance in harsh conditions. Rinse frequently and dry to prevent spotting and corrosion.