What’s the difference between a lift kit and lift system?

These terms are used interchangeably referring to a complete package of components designed to lift the ride height of your vehicle. To some lift kits include everything minus the shocks where the lift system is a complete package with shocks. Whether you use that distinction or not, know that all BDS lift kits or lift systems are complete with all components, shocks, hardware, instructions, etc needed to complete the job. While accessories are available, BDS designs its packages to include all the essentials.