Power booster kit 9 inch booster 1 inch flat top combo valve (Chrome) Upgrade your 2nd Generation Camaro or Firebird to a 9 in. chrome power booster, 1 in. bore chrome flat top master cylinder and adjustable combination block. This kit can be used to convert a manual brake car to power brakes or used on cars where the factory power booster interferes with valve covers or other engine components. This 9" power booster is hand polished before the chrome plating is applied for a top quality finish and the kit includes all the necessary brackets, hardware and pushrod components for an easy installation. The included adjustable combination block can be used for both disc / drum and disc/disc applications. New unit not remanufactured Includes brackets and pushrod .