The Holland Equalizing Beam Assembly for AD123 Air Ride Suspensions is designed to provide superior performance and durability in heavy duty trucks and trailers. This assembly is designed to fit with other components of the suspension system and improve stability and handling while reducing tire wear and tear. It is constructed from high-grade materials to withstand heavy use and harsh environmental conditions and is designed to resist corrosion and rust for long lasting performance. With this product, you can be sure that your suspension system will be reliable and efficient. FleetPride is your First Click in Heavy Duty®.