1962 PONTIAC WITH "TWO BOLT" MOUNTING WITH POWER BRAKES. 1963 1964 1965 PONTIAC WITH POWER BRAKES. HERE IS A NEW MASTER CYLINDER WITH A DUAL RESERVOIR FOR " POWER DRUM " BRAKES !! THIS MASTER CYLINDER HAS A 1" BORE AND A 1.60" DEEP HOLE FOR THE PUSH ROD.
