Sweeting Performance Engineering Marketing & Design (SPE∑D)
1955-1964 Chevy Full Size Dual Diaphram Vacuum Booster
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.