9" diameter; Includes mounting brackets for A, F and X body cars; Zinc plated New 9" zinc plated power brake booster. This 9" power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The top quality GM power brake booster is designed mount directly to your factory firewall. New unit not remanufactured Direct bolt in replacement for factory power brake booster Includes brackets and pushrod .
