That'll definitely be an upgrade over stock. If you want to go to the next level, get a watts link. Easily one of the top 3 mods I've don't to my car.
Second that! A watts link absolutely transforms the handling dynamics of the s197 chassis. If your really looking to go all out, a BMR k member, a-arms and watts link is the trifecta for any s197 thats geared for corner carving and autocross.