Fits front, left & right on the following Kubota RTV-X models (with serial # above 13023): 2016-2020 RTV-X1140R, 2016-2020 RTV-X1140W. 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. Compressed axle length: 655 mm (both), inner spline count: 21 (both), outer spline count: 21 (both). Please note these are only for 'RTV-X' type models. Set includes 2 axles.