APPLICATION Hydraulic booster of steering gear consists of distributor with valve of axled type and power cylinder. Designed for lessening of effort on steering wheel with the purpose of lightening of driving. For install......APPLICATION Hydraulic booster of steering gear consists of distributor with valve of axled type and power cylinder. Designed for lessening of effort on steering wheel with the purpose of lightening of driving. For installation on automobiles and byses with safety valve in hydraulic booster system. "LAZ", " MAZ 500", "MAZ 503" and their modifications.