If you want the reliability and simplicity of manual locking hubs on your Ram HD, you can finally have it. No more replacing the vulnerable and expensive factory unit bearings. The result is easier turning, more fuel economy, easier servicing, and extended life expectancy.This kit includes spindles, high strength Yukon 4340 Chrome-Moly outer axles, Yukon Hardcore locking hubs, Timken bearings, high quality seals and all hardware for installation.