Pn# - DVD04 - 1Set 1971-1972 GM A-Body Factory Style Disc Brake Proportioning Valve, Bracket & M/C Lines OEM Steel Also For 1968-1970 Disc Brake Conversion To Disc Brakes, Put The Proportioning Valve On The Frame Like The 1971-1972 GM A-Body Cars Comes with everything in the picture - DISC / DRUM valve / Valve Bracket / Brake Lines / Mounting Hardware. These are the details that separate the first place cars from the rest.
