THIS IS A NEW IN THE BOX 9" CHROME BRAKE BOOSTER AND CHROME MASTER CYLINDER WITH CHROME MOUNTING BRACKET BALL MILLED LID ALSO INCLUDED IS A CHROME PROPORTIONING VALVE. DISC IN THE FRONT DRUM IN THE REAR PROPORTIONING VALVE.  THIS FITS a lot of 63-78 GM A CARS AND 1967-69 CAMARO AND FIREBIRD ALSO WORKS ON 68-74 NOVA. THIS IS THE ORIGINAL LOOKING 9 INCH BRAKE BOOSTER WITH A CHROME FINISH. THE MOUNTING BRACKETS ARE INCLUDED.  This valve kit is for DISC DRUM