Cardone 532776 Remanufactured Power Brake Booster 100% O.E. quality seals, diaphragms and check valves are installed on every unit for like-new performance and reliability Exclusive rust-prohibitive finishing process extends unit life Master cylinder output rods are pre-adjusted (when included) for easier and faster installation New mounting nuts and washers ensure proper, hassle-free installation All units are 100% tested to ensure reliable performance