The Level 3 Street Challenge package injects harcore performance into your S10 with double adjustable ShockWaves®, dropped spindles, MuscleBar® swaybar, and a LevelPro® compressor system. The AirBar® system that is part of all 3 levels is a bolt-on solution that allows an 8” drop without any cutting on your framerail or bed floor. From a 4 cylinder cruiser to a 900 horsepower hotrod… proper suspension couldn’t be easier!