The Vacuum Power Brake Booster 54-74400 is a steel brake booster designed specifically for 1987-1998 Ford F-250, F-350, and F-250 HD trucks. It includes a booster and instruction sheet for easy installation. The booster has a housing diameter of 10.97 inches and a diaphragm diameter of 10.78 inches. It is manufactured by Carquest, a trusted brand in car parts, and comes with a 5-year manufacturer warranty. With a stud thread size of 3/8x16, this brake booster is a reliable and high-quality part for your vehicle's braking system.
