Premium quality and strength. Cold formed, induction hardened, and rolled splines. Over 50% stronger than stock. Includes new axle seals, bearings, and studs. These kits are designed and engineered in-house to be the best axles on the market! We've listened to our customers, and improved on the factory designs. Each axle or axle kit solves a specific problem for your customer, and are packaged installation ready with studs, bearings and seals. Many feature larger splines for extreme duty applications, and dual bolt patterns for upgrading to larger studs. All our shafts use a cold-formed rolled spline process that produces an axle spline up to 35% stronger than cut splines!