Fits front, left & right on the 2015-2023 Polaris RZR 900/Trail 900 50" & 55" 4x4 (please note this will not fit RZR S 60" or RZR 4 models) * 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 - 571 mm (both), inobard Spline Count - 22 (both), outboard Spline Count - 26 (both) * Replaces OEM # 1333262, 1333948.