Just a heads up.
The patch panels look good but they do not fit correctly. You will most likely have to cut and refit them for your truck. At least that what I ran into.
I only cut and repaired the very bottoms that were rusted thru. When I had the area open I treated the exposed surfaces with rust converter and painted over.
Here are a few pics of the new inner/outer patch panel.
...pic 1... ...pic 2... As you can see its not even close to fitting correctly. I finally cut the patch panel in three pieces, and patched it to the original.
...pic 3... It looks ugly, this was my first time weld repair.
The inner kick panel didnt fit either. Had to hammer out the very bottom to get it to fit the floor pan and rocker panel
...pic 4... ...pic 5...the creases and ribs in the panel line with with the door. so you will have to make sure they are in the right location befor you final weld.
...pic 6 ... The new outer panel didnt fit correctly either. I welded it in place as it is formed. But should of cut and fitted it also with the fender and door installed.
I ended up with a gap.
...pic 7... ...pic 8... One other thing, the patch panels I purchaed are not the same thickness as the originals. There is NOTHING better than original metal. I tried to keep as much original metal on the truck. Being a California truck it was in good shape.
Bolter Brad Allen has good pics of the vent door that might help you.
Hopefully others can advise about fitting the vent door for you. I cut just under it.
Good Luck