Fits the following Arctic Cat models: 2005 400 FIS AT/MT, 2005 500 FIS AT/MT & TBX 500, 2005 650 H1/V2 4x4 * 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 (mm): FL - 551.5, FR - 550, RL - 548, RR - 548, inobard Spline Count: fronts - 21, rears - 27, outboard Spline Count: fronts - 27, rears - 27 * Replaces Arctic Cat OEM # (fronts) 0502-547, 0502-542, 1502-539, 0502-542, (rears) 1502-938, 0502-811, 1502-343, 1502-798.