Bendix/Delco-Moraine Dual Piston

Bendix and Delco-Moraine tandem dual piston master cylinders are single casting type with front and rear pistons and a separate reservoir and outlet for each piston.

Rear piston is operated by push rod connected to brake pedal. Front piston is operated by rear piston. In a combination disc and drum system, reservoir which feeds disc brakes is larger to compensate for larger displacement of disc caliper cylinder.

Master cylinders incorporate a quick take-up feature, that delivers a large volume of fluid at low pressure upon initial application of brakes. This fluid quickly displaces the retracted caliper, placing brake linings in contact with brake rotors and drums.