The 54-73703 Vacuum Power Brake Booster is designed to fit 1977-1979 Ford F-100, F-150, and F-250 Broncos. Made of steel with a 10.76-inch diaphragm diameter and 3/8x16 stud thread size, this OEM brake booster comes with a booster unit and instruction sheet. It is guaranteed by a 5-year manufacturer warranty and is not a vintage or performance part. The brake booster is specifically designed for Ford vehicles and ensures proper braking performance.
