The Ultra-Tow Spring Axle Kit features durable welded spring seats with double-eye springs for smooth-riding comfort. Complete axle kit includes springs, shackles, U-bolts, hangers, hubs and hardware. Also includes castle nuts, cotter pins and washers. Assembly required. Made in U.S.A. Axle Outside Diameter in. 1 3/4, Spring Seats Welded, Leaves qty. 3, Outer Bearing Size in. 1 1/16, Inner Bearing Size in. 1 1/16, Weight Capacity lbs. 2000, Axle Tube Type Round, Hubs Included Yes, Overall Length in. 64 3/4, Spring Type Double eye, Bolt Circle Pattern in. 4 1/2, Springs Included Yes, Spring Centers Length in. 48, Seal Size in. 1 1/4, Brakes Included No, Studs qty. 5, Spring Length in. 25 1/4. Durable welded spring seats with double-eye springs for smooth-riding performance Axle tube has hard shell powder-coat finish Hubs are packed with Lucas Oil Products grease Triple lip seal Straight axle 5 stud on 4.5in. bolt circle 2000-lb. capacity 64 3/4in. overall length 60in. hubface 48in. spring center 1 1/16in. inner bearing 1 1/16in. outer bearing 1.25in. seal