Package Specifications Length: 12.2" width: 10.2" Height: 10.2" Weight: 9.7 lb PRODUCT DESCRIPTION Basic structure of brake booster 1.Piston 2.Diaphragm 3.Return spring 4.Push rod of master cylinder 5.control valve 6.filter 7.Drive rod 8.Plunger 9.Connector 10.Master cylinder 11.Reaction disk 12.Anterior chamber 13.Posterior chamber 14.Holding spring .
