Fits front, left & right on the following Polaris models: 2016-2025 General 1000/1000-4 (excluding XP models), 2015-2025 RZR S 900/Trail S 900, 2015-2018 RZR 4 900, 2016-2025 RZR S 1000/Trail S 1000, 2019-2021 RZR S4 1000. Features 4140 chromoly steel bars for a higher tensile strenth and more durability. Engineered as a direct replacement, fully-assembled, and ready to install. Joints fitted with neoprene CV boots for flexibility and resistance to hot/cold temperatures. Utilizes high-performance moly grease for protection against the environment and to keep vital components lubricated. Replaces OEM # 1333263, 1333946. Compressed length - 692 mm (both), Inboard spline count - 22 (both), Outboard spline count - 26 (both). Warranty: 2 Years (excluding torn boots & use on lifted vehicles). Lift kit voids warranty, parts are not designed to be used on modified suspensions. Fits front, left & right on the following Polaris models: 2016-2025 General 1000/1000-4 (excluding XP models), 2015-2025 RZR S 900/Trail S 900, 2015-2018 RZR 4 900, 2016-2025 RZR S 1000/Trail S 1000, 2019-2021 RZR S4 1000 * Features stronger than OEM chromoly forged steel axle bars * Greased with a moly based grease to provide superior joint lubrication * Fitted with neoprene CV boots for added wear and puncture resistance * Compressed Length - 692 mm (both) * inobard Spline Count - 22 (both) * outboard Spline Count - 26 (both) * Replaces Polaris OEM # 1333263, 1333946.