RCV Performance Products Ultimate AAM 9.25 CV Axles for Dodge Ram 2500/3500 are designed to easily replace the universal jointed front axle shafts in the AAM 9.25 axle, and have been tested to be twice as strong as the original equipment shafts. Ultimate CV Axles are simply unbreakable – even when used with modified diesel engines. They’re just as tough at a straight angle as they are at extreme angles – where u-jointed axles are at their weakest. RCV’s constant velocity design eliminates u-joint binding to allow smooth power transfer to the ground, and eradicate steering wheel shimmy. The company’s patented Spherical Sealing Technology provides much greater resistance to punctures and tears than a rubber CV boot. Ultimate CV Axles are backed with a “No Questions Asked” limited lifetime warranty. Join the RCV Revolution, and put the power down with confidence!