Fits the following Polaris models: 2015-2017 Ranger ETX, 2018-2020 Ranger 500 (built before 10/8/2019), 2015-2018 'Midsize' Ranger 570/Crew 570. Features stronger than OEM, 4140 chromoly 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 # (fronts) 1333238, 1333742, (rears) 1333069, 1333628. Set includes 4 fully-assembled cv axles.