This set of new CV axles & wheel bearings fit rear left & right on the following Polaris ATVs * 2013-2021 Scrambler 850, 2014-2021 Scrambler 1000, 2010-2014 Sportsman 550/X2 550, 2010-2021 Sportsman 850, 2015-2021 Sportsman 1000 (excluding 2021 S 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 * High speed bearings manufactured for long life * Double lip seals made to keep grease in and dirt out * Compressed Length - 555 mm (both), inobard Spline Count - 28 (both), outboard Spine Count - 26 (both) * Replaces Polaris OEM # (axles) 1332642, 1332809, (bearings) 3514627, 3514699.