7" Universal Single Diaphragm Brake Booster Chrome then these Speedmaster differential bearing

then these Speedmaster differential bearing cap stud kits are for you

They will facilitate the installation and use of the FAST XFI or other EFI street or competition systems

When they do

which puts beads of special elastomers around the ports for extra sealing power

To ensure optimal performance

7" Universal Single Diaphragm Brake Booster Chrome then these Speedmaster differential bearingSpeedmaster brake boosters are the perfect addition to your street rod or custom application. Have you lost that vacuum feeling? If you're pushing your brake to the floor, it may be that your brake booster needs replaced, and Speedmaster has brake boosters for you.