GSP CV Axles are engineered to provide OE fit, form, and function - premium materials, coupled with precise machining and balancing, ensure smooth, vibration free performance in all driving conditions Since boot failure is the main cause of CV axle failure, our axles use only premium grade neoprene boots that ensure robust abrasion and extreme temperature resistance, preserving boot integrity Assembled with a specially formulated, high-temperature Moly grease that resists friction and wear, contributing to a lifetime of smooth, dependable performance All axles are thoroughly inspected for quality and workmanship, and because we believe in the exceptional quality of our components, every axle comes with a limited lifetime warranty