1954-55.1 Chevy, GMC Truck First Series Power Brake Booster Kit, Firewall Mount

1954-55.1 Chevy, GMC Truck First Series, Power Brake Booster Kit, Firewall Mount, 4 Wheel Disc Brake 8" dual diaphragm power booster Firewall mount with pedal assembly Proportioning valve (disc applications only) Proportioning valve brackets and lines (disc applications only) 1.00" bore diameter master cylinder Mounting hardware