ill get some specs for you. the previous owner said they were 8" springs, but im pretty sure they are 6"ers cuz they level out with the 5.5" block that was in the rear. i dont think they have been wheeled with that much, the sway bar was installed on the truck with the springs, so if it was, nothing was harmed. ill get some pics and everything for you, in the next day or so when i get a chance outside of working