This is the new yellow zinc 9" booster as used on 79-81 WS6 4 wheel disc brake Trans Am and Formula.
Following in the footsteps of our very successful black 9" booster ( 0CB-100)
This booster has not been available for many years, PTFB has recreated a version to satisfy both the restorers as well as the hot rodders and customizers.
The yellow zinc gives it that factory look.
Features and benefits over standard 11" brake boosters.
- 30% more brake assist.
- Helps improve braking with bigger cams and low vacuum.
- Added clearance for tall valve covers.
- Universal adjustable pedal push rod.
- More flexible fitment for a wider range of applications.
- Fits 79-80 as well as 81 master cylinders.