Profile: Power Brake Service specializes in brake booster services. Our product line includes vacuum units, hydra-boost, hydra-vac, treadle-vac, atmospheric units, master cylinders, brake pads, brake shoes, hold-down hardware and hoses. We offer replacement parts, rebuilt, disassembled, cleaning and inspection services. We provide hydro-boosts which is run from the pressure of power steering pump and these systems are used for a variety of vehicles.