Prior Automotive Remanufactured Brake Boosters offer elite performance and reliable stopping power whenever and wherever you need it. Prior Automotive is renowned in the Remanufacturing industry for quality. Since Prior's early days as a rebuilder, its attention to detail and obsession with quality has made the Prior name special. We are even able to improve upon the original engineering of many brake boosters! From quality control protocols, proprietary engineering methods not duplicated by any other remanufacturer, assembly, all the way to packaging - NO ONE DOES IT QUITE LIKE PRIOR! Product Features:Every remanufactured unit is inspected and tested to meet or exceed original vehicle performance specifications100% new seals, O-rings, and critical wear parts replacedPreventative anti-rust solution used to increase life of every boosterO.E. quality diaphragms and check-valvesExtreme resistance to wearProprietary assembly techniquesOver 60 years of remanufacturing experience