Rear solid axle set includes lightweight axle shaft, pulley, and hardware. Axle body is manufactured from HUDY Spring Steel™ and has been strategically machined 25% lighter than standard #345110 rear solid axle shaft. Specially hand-ground for maximum precision and smooth operation, additionally heat treated and black coated to ensure long life and maximum performance. The 48T rear composite lightweight axle pulley is installed on the 1-piece solid HUDY Spring Steel™ axle.