1" and 3" drop question

[dmw319]

I've got a 1970 1/2 ton stepside.

I have already purchased a front disc conversion from ECE (stock height spindles) and also 1" front drop springs and 3" rear drop springs. The shocks were grey kybs in the front (drop?) and white kybs (stock?) for the rear. Am I missing anything else before I begin? These pieces will all work together right? I am pretty sure I don't need drop spindles for 1" drop for the front, right? Thanks!