Fits front, left & right on the following Polaris ATV models: 2018-2025 Sportsman 450 HO 4x4 (including EPS & Utility) & 2018-2025 Sportsman 570 4x4/6x6 (including EPS, X2, SP, & Touring). 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 # 1333752. Inner splines: 22 (both), Outer splines: 20 (both), compressed overall axle length: 538 mm (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: 2018-2025 Sportsman 450 4x4, 2018-2025 Sportsman 570 4x4/6x6. 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. Replaces OEM # 1333752.