Ensure your semi truck is Ready for the Road Ahead enhanced suspension control and stability, with the Hutch Suspension Systems Rubber Bushing Single Bolt Rocker Assembly. Due to its ability to nestle between two components, this replacement assembly is able to stabilize the suspension with evenly distributed weight across the axles and dampen the roughness of a ride. Engineered with ultra-durable materials to provide a long service life. FleetPride is your First Click in Heavy Duty .