Fitment: (2019) Polaris RZR XP 4 Turbo S. Stage 3 (EXTRA LOAD) kit for OE Fox Dynamix Electronic Shocks. Engineered for vehicles with higher loads and additional passengers with slightly more aggressive spring rate to maintain the balance you need at the limit. True Dual-Spring Set Up. Includes Springs, Sliders, Stop Rings and Setup instructions for easy installation. Engineered and Tested FOR Enthusiasts. BY Professionals for Maximum Performance on any Terrain. Race Proven Durability, Quality and Repeatability you can rely on. Made By Eibach in the U.S.A.