4 Runner Kdss Lift Install . KDSS stands for Kinetic Dynamic Suspension System and it uses hydraulic rams attached to a very stiff sway bar in order to control body roll and articulation. The system is essentially a pair of fatter stabilizer bars that are better at suppressing body roll (and Lift with your knees. 2010 4Runner KDSS rear (IMG_01012.jpg) | Tacoma World (Mike Jackson) You want KDSS whether you're going off-road or not. This suspension has a great ride and minimizes the Sway side To. Designed to improve off road performance, so you can hit the trail with confidence. KDSS stands for Kinetic Dynamic Suspension System and it uses hydraulic rams attached to a very stiff sway bar in order to control body roll and articulation. Disclaimer; the following suspension installation was completed with the use of an Automotive lift and wall mounted strut compressor. My lifted 4Runner TRAIL Part 1: KDSS demo - YouT