New 3" SST lift kit for 2021-up GM SUVs with Magnetic Ride Control. Part 69-31301 is the ideal bolt-on, with no modifications-required lift solution to achieve a substantially taller stance, all while maintaining the factory ride and handling experience. With this new SST lift kit, you can run up to a 285/60-20 tire on a 9″ wheel with +12 offset wheel with no trimming. A 295/60-20 on +12 offset can be installed with trimming. Note: Not compatible with Air Ride Adaptive Suspension. Note: Not compatible with GM Super Cruise or GM Ultra Cruise.