Superior Axle and Gear manufactures high quality replacement axle shafts from premium alloy, along with computer controlled induction heat treating that results in a stronger more durable axle shaft. The majority of Superior's axle shafts use a cold formed rolled spline process that produces an axle spline up to 35% stronger than cut splines. These are direct replacement axle shafts that require no cutting or modification to fit seamlessly into your ride.