New 8 Inch Dual Diaphragm direct fit power brake booster and master cylinder kit with a manual transmission brake pedal. This top quality power brake booster and master cylinder replacement is designed mount directly to your factory firewall. This power brake booster and master cylinder kit works great as a factory replacement or as an upgrade from manual to power brakes for vehicles with manual transmissions. Included in this brake booster and master cylinder kit is a new factory style 1" bore master cylinder equipped to work with front disc rear drum or 4 wheel disc brake applications.