Here is a KrAZ balancer, KrAZ spare parts, Poltava region.

Axle balancer reinforced 98mm KrAZ, 250B-2918054-10. Rear suspension THROUGH balancing type. It is installed on two longitudinal springs and allows to evenly distribute the load on thewheels. The KRAZ rear suspension balancer and here is the KRAZ balancer pressed into it and performing the role of a screed - an important element of the rear suspension of this manufacturer's car.
The wear of the above-mentioned elements significantly affects the safety of the vehicle. The Kraz balancer consists of many elements, so if any of them is found to be worn, you should take care of replacing them as soon as possible.