11" Universal Single Diaphragm Brake Booster Chrome They are heat-treated and threads

They are heat-treated and threads are rolled to provide up to ten times more fatigue strength

Design from the ground up based upon your favourite bowtie block with the ability to handle naturally aspirated

These Speedmaster billet steel flywheels are fully CNC machined from a high tensile aircraft material billet steel

while increasing thermal conductivity

Available for center hung fuel bowls

11" Universal Single Diaphragm Brake Booster Chrome They are heat-treated and threadsSpeedmaster 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.