[cwcarpenter98]

I purchased a kit from Performance Online for my truck almost 7 years ago. I haven't had any issues with the kit since then. I am running 15x8 wheels with no clearance issues on my discs. Basically, I have the same 1.25" rotor that is used on the 71-72 and squarebody trucks (with 1.25" rotor, not 1" as many later squares were.)

I have stock height spindles, but in your case, a drop spindle would be best for what you want to do. I have heard in the past of some 15" wheels not fitting with 3" drop spindles. Since you already have 16" wheels you will probably be ok with running a 2.5" drop spindle, depending on your back spacing.