Vacuum Brake Booster, 9 Inch Dual Diaphragm, for 1955-1966 Full Size GM Impala Caprice Biscayne Bel Air Two-Ten Tri-Five

This Dual Diaphragm is an upgrade over the factory 11-inch single diaphragm booster that was used on Camaro/Chevelle type cars. (Price is for Bare Booster, Master Cylinders are in the options)

American made, offers 40% more power than factory 11-inch booster and more than triple the power of the 7-inch offshore vacuum booster.