Looks like a good start. You will also (99%) need the lower A pillar and the inner rockers as most of us have had to do this as well. Just do one side at a time before moving on and their is plenty of reference material here on the site to check with if you need to.
Here are a few to start with~
Rocker replacement 101
http://67-72chevytrucks.com/vboard/s...hlight=rockers
Inner rocker panel replacement
http://67-72chevytrucks.com/vboard/s...hlight=rockers
Kevin
LFD Inc.