Both side windows are cracked and I want to replace, but should I first get a rattle kit installed to protect the new glass and cut down on the various rattles??

Update: After a month in a rod shop, the truck is now home. I am on my third transmission - original AOD, first C4 failed, second C4 rebuilt and works well. Also removed two leafs from Posey rear springs due to harsh ride. The Toyota steering box made a big difference, but still very different from modern vehicles. Power disc brakes do well stopping. Now to spend hours getting body ready to paint. It will a "farm truck" for awhile, which is just fine.

Thanks, Jeff