Manufacturer Part Number: PB8131C / 261-13269-P, Make: Chevrolet, Bundle Listing: Yes, Booster Size: 8 Wilwood Master Cylinder-Proportioning Valve,Brake Booster 71-76 Caprice,Impala | Motors, Parts & Accessories, Car & Truck Parts & Accessories Fitment Type: Direct Replacement Hauptbremszylinder Für Impala 71-76 Wilwood Master Cylinder-Proportioning Valve,Brake Booster 71-76 Wilwood Master Disc Brakes Neu Master cylinder works with both disk/drum or disk/disk applications. Booster is a 8 dual diaphragm and is a great upgrade from a single diaphragm booster. Kit also includes Wilwood adjustable proportioning valve with mounting bracket and stainless brake lines Items Included: Brake Booster