New 7" Dual Diaphragm chrome plated power brake booster & master cylinder. This 7" power booster is hand polished before a chrome finish is applied for a top quality finish. The top quality power brake booster is designed mount directly to your factory firewall. Also included in this kits is a new cast iron 1-1/8" bore master cylinder with Chrome Lid. Equipped to work with disc/drum and 4 wheel disc applications.