1955 - 1964 Chevy Full Size Car 7" Dual Zinc Power Brake Booster & Bracket Kit

This high quality kit has a will really improve your brake performance. 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.