Ensure your semi is outfitted with components with Expertise Built In , with the OTR 5/8" x 17-1/2" Semi-Round U-Bolt Rod Kit, a component that improves alignment and overall safety. With a specialized clamp that secures the axle to the leaf spring, this replacement piece optimizes alignment while evenly distributing the weight from a vehicle, trailer, or cargo mount. Manufactured with resilient metal for top-notch durability and resistance to extreme torque. FleetPride is your First Click in Heavy Duty .