1969 GM Factory Disc Brake Hold Off Valve. But can be used for 1967-1968 also Application: 1969 F-body Camaro / Firebird / Nova. 1969 B-body - Impala / Catalina 1969 A-body - Chevelle / GTO / 442 / GS This kit includes the valve, bracket, and mounting bolt. This mounts on the master cylinder stud for disc cars. 1969 GM Disc Brake Hold Off Valve. This is the valve that is needed to make your car factory disc brakes.
