Fits the following Arctic Cat ATV models: 2003-2004 400 FIS (MT/AT), TBX 400 & 2003-2004 500 FIS (MT/AT), TBX 500, TRV 500 4x4. Features 4140 chromoly steel bars for a higher tensile strenth and more durability. Ships as a complete set, fully assembled and ready to install. Joints fitted with neoprene CV boots for flexibility and resistance to hot/cold temperatures. Utilizes high-performance moly grease for protection against the environment and to keep vital components lubricated. Replaces OEM # 0402-907, 0502-544, 1502-442. Compressed length: 548 mm (all), Inboard spline count: 21 (all), Outboard spline count: 21 (all). Warranty: 2 Years (excluding torn boots & use on lifted vehicles). Lift kit voids warranty, parts are not designed to be used on modified suspensions. Fits the following Arctic Cat ATV models: 2003-2004 400 FIS (MT/AT), TBX 400 & 2003-2004 500 FIS (MT/AT), TBX 500, TRV 500 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 * Replaces OEM # 0402-907, 0502-544, 1502-442.