If you are going to run caltrac bars, run their springs. I've talked to them on the phone at length about this. blending the SS setup and the catrac setup will work but it isn't the most ideal.
X2, don't mix the 2 technologies....either go with SS springs, or go with the Caltrac stuff. They both work, but they work differently....just one example of this: SS springs you want something like 7° down on the pinion, where as Caltracs you want 2-3° down on the pinion.