If you’re getting your 70 or 79 Series ready for dusty tracks, creek crossings...
https://zaneznae304.lucialpiazzale.com/are-drawer-systems-and-bar-work-less-important-than-snorkels-and-mirrors-at-first
If you’re getting your 70 or 79 Series ready for dusty tracks, creek crossings and towing heavy loads, a snorkel and towing mirrors are a smart place to start