Improve traction on your 1988-2018 Chevy Silverado or GMC Sierra 1500 with a BDS Fixed length tubular traction bars. Fabricated from 1.25-inch OD x 1/8-inch wall steel tubing with durometer specific polyurethane bushings on each end. BDS traction bars reduce rear pinion angle change commonly referred to as axle wrap during acceleration with these BDS heavy-duty traction bars. Tubular design for good looks as well as serious axle control.