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RCV Performance Ultimate CV Axles replace your Ford F-150 or Bronco's weak Dana 44 U-joint axle shafts with a high-strength constant velocity design. Tests prove Ultimate CV Axles to be twice as strong as OEM axle shafts, and they're just as tough at a straight angle as they are at extreme angles - where U-joints are weakest. Ultimate CV Axles also eliminate U-joint binding to allow smooth transfer power to the ground. Even if you have big tires and immense power, there are no worries. Ultimate CV Axles are low maintenance and operate with a smoothness you can feel - whether off-road or on the street. And we back it all with a "No Questions Asked" limited lifetime warranty.
Note: All CVJ44OS RCV axle kits require a 30 spline hub gear upgrade. Our hub gears are compatible with Warn 20990 Premium Lockouts.