Get your semi Ready for the Road Ahead with reduced vibration and component wear, with the Atro Mono-Pivot Bushing Kit. Thanks to its specialized design that rests between stationary and moving elements, this suspension piece is the ideal choice to minimize movement while decreasing mechanical wear-and-tear. Crafted with heat-resistant polyurethane for improved durability, better vehicle control, and greater life expectancy. FleetPride is your First Click in Heavy Duty .