Part # BCK-066. Drum Brakes require residual pressure of 10 lbs. to be held in the line. The disc/disc setup does not require this pressure. It performs all of the necessary valving functions with a disc brake conversion, which include.
64-74 GM A F X Front Brake Calipers Conversion Full Size GM Car Nova Chevelle
1964 72 GM A F X Body 11" Zinc Power Brake Booster Master Cylinder Disc Drum Kit
64-72 GM A F X Body 11" Zinc Power Brake Booster Master Cylinder Disc/Drum Kit
JEGS 64025 Drop Spindles GM A/F/X-Body 2" Drop
CHEVY CAMARO CHEVELLE NOVA OE STYLE FACTORY CAST IRON DRUM BRAKE HUBS GM A F X
for 1964-72 GM A F X Body Power Brake Booster Master Cylinder Disc Drum Kit Zinc