1955-1957 Chevrolet chrome power brake booster master cylinder disc drum pro

Description

1955-1957 Chevrolet 7" dual diaphragm chrome brake booster and master cylinder, This is new in the box
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I have also included the firewall mounting brackets in chrome and the clevis to adapt this to your factory brake pedal.
This auction also includes a proportioning valve for front disc brakes and rear drum brakes. The valve includes all hardware shown.
We welcome any questions.