Power Brake Booster with Brake Master Cylinder

New 7" zinc plated power brake booster, master cylinder & adjustable proportioning valve. This top quality power brake booster is designed mount directly to your factory firewall. This power booster works great as an upgrade from manual to power brakes for vehicles with automatic transmissions. Also included in this kits is a new factory style 1" bore master cylinder and proportioning valve equipped to work with 4 wheel disc brake & Front Disc / Rear Drum applications.