I would contact Travis at AZ Pro Performance. They will have everything you need and he has built a few of these trucks on this forum. Here's a similar air ride kit they sell:
http://www.azproperformance.com/Budg...63-72-C10.html
Here is a good trac bar, rear shock relocaters and C notch if you need them.
http://www.azproperformance.com/Dead...age-63-72-C10/