CARDONE's extensive experience in testing and engineering CV Drive Axles is the foundation behind our proprietary method of engineering a product that meets and even exceed O.E. performance. We have researched the reasons why original CVs typically fail and designed new solutions to avoid repeat failure. For example, our Neoprene boots are designed with additional bellows, when needed, to resist bellow stress and ozone cracking - the leading cause of boot failure. High-quality grease withstands high-temperature and high-torque demands to ensure long-lasting, reliable performance. Splines are precision rolled to ensure proper fit of CV Drive Axle into the mating hub and transmission, which eliminates installation hassles. Transmission seal diameter is precision-machined after heat treatment to ensure correct surface finish, promoting long seal life. Additionally, all CV Drive Axle shafts are individually verified for straightness, resulting in vibration-free performance at all speeds. Features details Proprietary engineering processes ensure that all CV Drive Axles meet OE form, fit and function Neoprene boots are designed with additional bellows, when needed, to resist bellow stress and cracking, which is the leading cause of boot failure An axle retaining nut is supplied with every unit for a hassle-free installation, due to the likelihood that the original retaining nut is worn or stripped CV Drive Axle measurements are validated after assembly to ensure a proper fit; Threads are precision rolled to ensure proper fit when axle nut is installed Boot clamps are pneumatically crimped, creating a perfect seal between the boot and housing