DESCRIPTION Brake Booster --This is a 7" zinc dual brake booster. --This 7" booster is ideal for most small to mid-size street rods and customs. --The booster mounts with a 4-bolt pattern. --The 4 bolts are in a perfect square and are 3 3/8" apart (center to center). --This is a great upgrade from a single diaphragm booster. --This dual diaphragm booster offers 19% better stopping power over a single. Master Cylinder --Fits most GM applications. This is a Corvette-style master cylinder. --Cast iron coated body, dual ball zinc cap. --With a 1" bore. --The cap is attached by 2 small screws. --4 Port unit, 3/8" ports on both sides, so you can mount your lines on either side --With 3/8" fitting. --Will work with any drum/drum, disc/drum, or disc/.
