Drum Brakes require residual pressure of 10 lbs. to be held in the line. The disc/disc setup does not require this pressure. Hard Lines to connect Proportioning Valve to Master Cylinder. These functions include the following.
Chrome Radiator Support Cover Upper fits 1970-1981 Chevy Camaro 4021-315-702C
1970 1979 Camaro Firebird Power Brake Booster Assembly Chrome New Chevy Pontiac
Chrome 7" Brake Booster GM Style Single Diaphragm Universal Chevy Camaro Hot Rod
496 600 HP CHROME AIR CLEANER DECAL CHEVY CAMARO CHEVELLE NOVA NEW Style 2 Decal
1967 1968 1969 Chevy Camaro 7" dual chrome power brake booster master cylinder
For Chevy Camaro 1967-1974 Goodmark GMK4031230667X Chrome Air Cleaner Lid