- Oem-style 9-inch single diaphragm vacuum booster
- Protective zinc finish guards against moisture and corrosion
- Restores smooth factory pedal effort and stopping efficiency
- Direct bolt-on fitment for classic gm and muscle car firewalls
- Durable internal seals provide long-term vacuum retention
Designed to restore or upgrade classic muscle car brake systems, this 9-inch OEM-style booster features a gold/clear zinc protective finish. The single diaphragm unit delivers factory-like power assist with exceptional reliability.