Traction Bar Kit for 2020-2026 Silverado and Sierra 2500/3500These bars are adaptable length. Their patented adaptability allows them to fit on any truck. Bar length can be as short as 50" or as long as 84". These bars control axle wrap without limiting articulation travel due to our bushing and mounting design. We highly recommend traction bars for every solid rear axle leaf spring truck. Includes 101022 Under Frame Mount and 101045 Under Axle Mount for 4. 25" and 4. 5" axle tube diameters. Fit all 2020+