Front Driver Side CV Axle Shaft by Cardone New®. Cardone has extensive experience in testing and engineering CV Drive Axles – they have spent over two decades analyzing materials and processes to arrive at a superior, longer-lasting product. Cardone Engineered Technology it’s their proprietary method of arriving at a product that meets O.E. performance standards. 100% Neoprene boots are designed with additional bellows, when needed, to resist bellow stress and ozone cracking, the leading cause of boot failure. Additionally, all CV Drive Axle shafts are individually verified for straightness, resulting in a vibration-free performance at all speeds.